History
More than three hundred years of business excellence

Yamamoto Corporation originated as a shipping wholesaler operating cargo liners between the Noto port and the Kansai and Hokkaido regions. Under wartime control, the 10th president Eikichi Yamamoto changed the company’s core business line through the establishment of a chemical institute in 1919 and developed a unique technology to manufacture synthetic buttons from a resin prepared through the condensation of powdered skim milk in an era without plastic products which is currently gathering broad recognition as an eco-friendly product. In 1925, Tokuzaburo Yamamoto became the 11th president. In 1948, we developed a pencil with an eraser that was eventually patented. This pencil later became the de facto standard throughout the world. In 1959, Keiichi Yamamoto became the 12th president. Yamamoto Corporation was established in its present form in 1964. It developed wetsuits to respond to the requests of female oyster divers who sought swimsuits that were easier to swim in. With this opportunity, the high functionality of our swimsuits was recognized globally and continues to today.

Major Milestones
 1960s
 
  May 1964 Established as an affiliated company of the limited partnership YAMAMOTO Chemical Laboratory
Began manufacturing material for diving suits for fishery

  Apr. 1967 Began manufacturing material for wetsuits for leisure diving
  June 1967 Launched sales to Oceania market

  Jan. 1968 Launched sales to European market

  Feb. 1969 Launched sales to U.S. market
  July 1969 Developed material that enabled two-piece golf ball
 
 1970s
 
  Oct. 1970 Launched sales to Southeast Asian market

  Mar. 1972 Developed electrically conductive foam rubber material

  Oct. 1973 Developed material for deep-sea diving suits

  Mar. 1977 Developed foam rubber material for X-ray protection
 
 1980s
 
  May 1984 Tomizo Yamamoto assumed post of President and CEO

  Aug. 1986 Developed Bio Rubber

  July 1988 Developed material for closed-cell foam power puff
 
 1990s
 
  Feb. 1991 Developed ultra-light foam golf club grips

  Mar. 1993 Developed Ti-α (titanium alpha) material (patented)

  May 1995 Developed S.C.S. (Super Composite Skin) material

  July 1997 Awarded patent for S.C.S. material.
 
 2000s
 
  Jan. 2000 Awarded patent for Biorubber material
  Sept. 2000 Triathlete wearing S.C.S. wetsuit finished in first place

  May 2001 Launched sales of “Biorubber” to consumer market

  May 2002 Launched sales of “Biorubber Neterumernee” to consumer market
  July 2002 Launched sales of “Biorubber mat” to consumer market

  Sept. 2003 Launched sales of “Biorubber vest” to consumer market
  Nov. 2003 Launched sales of S.M.S. (Super Magic Skin) material for wetsuits

  Apr. 2004 Launched sales of “Biorubber belt” to consumer market
  July 2004 Developed S.C.S. Gold material
  Sept. 2004 Developed material for high-speed swimsuits for competitions

  Jan. 2005 Introduced hybrid vehicles for transport of visitors
  May 2005 ASCO (American Society of Clinical Oncology) published first study on Biorubber
  Aug. 2005 Developed hybrid S.M.S./S.C.S. material

  Mar. 2006 Developed blue, red and purple S.C.S.
  Aug. 2006 Developed S.C.S. fabric for material used in high-speed swimsuits for competitions
  Oct. 2006 Congress of Japan Clinical Ophthalmology published study on Biorubber
Swimsuits using S.C.S. fabric debuted at Ironman Triathlon in Hawaii
Authorized S.C.S. fabric for use as swimsuit material in triathlon and open water swimming competitions

  Feb. 2007 ASCO published second study on Biorubber
  Sept. 2007 Japanese Society for Low-vision Research and Rehabilitation published study on Biorubber
  Oct. 2007 Congress of Japan Clinical Ophthalmology published study on Bio Rubber
blueseventy obtained approval from FINA (International Swimming Federation) for swimsuits using S.C.S. fabric in competitions

  Apr. 2008 Uproar over high-speed swimsuits at Beijing Olympics spreads worldwide
  June 2008 Scientific paper on Biorubber ran in webzine “Nature Precedings”
  Aug. 2008 More than 100 athletes at Beijing Olympics wore swimsuits using S.C.S. fabric
  Sept. 2008 Shingo Yamamoto set two world records in the 75-79 age group at the Masters Competition wearing a swimsuit using S.C.S. fabric
 
  Jan. 2009 Launched Biorubber Swim Mark II and demand spread worldwide
  Apr. 2009 Filed application for medical equipment manufacturing license and medical equipment manufacture and sale license
  July 2009 Biorubber Swim Mark II contributed to setting most of the new world records established in 43 different events (the highest number ever) at the World Aquatics Championships held in Rome and received high recognition
 
 2010s
 
  Feb. 2010 Swimwear made with new material BRS that conforms to a new rule by FINA (International Swimming Federation) was approved as official competition swimwear (AQUA ZONE, etc.)
  Mar. 2010 Launched sales of “Ti-Ⅱ-W” tatami for extending hospitality from the heart
  May 2010 Launched sales of “Firecut 150” smoke-prevention and fire-fighting rubber tape
  July 2010 Members of the Japanese women’s team (Megumi Matsumoto, Misuzu Hirai and Hanako Hirose) and men’s team (Ryuzo Shinomiya, Shun Oshima and Katsuya Hamazaki) that wore wetsuits made using Yamamoto Corporation’s materials respectively won gold and silver medals at the freediving AIDA Team World Championships held in Okinawa
  Sept. 2010 Obtained medical equipment manufacturing license and medical equipment manufacture and sale license
Launched sales of “Hybrid Active Suit,” a multi-function suit for rain, cold weather and business
  Oct. 2010 Launched sales of “Medical Biorubber,” a general medical device
Swimwear made with “BRS” material was approved for use as official competition swimwear for fiscal 2011
  Dec. 2010 Developed “Zero Position” swimwear product in the Biorubber swimwear line for speed swimming training
 
  Feb. 2011 Launched sales of “Biorubber G Type II” material that enables use of light energy
  May 2011 Launched sales of Biorubber Safe “Safety Hybrid Wear”
  June 2011 Developed “Biorubber RSM” radiation shielding material against gamma rays
  Oct. 2011 Launched sales of “Thermal Medical Biorubber,” a heating pack medical device
  Nov. 2011 Launched sales of “Biorubber RSM Spirit,” a radiation shielding suit for the general public
Developed “BRS-TX-3 Premium” material for high-speed competition swimwear which was utilized in swimwear made by Matuse Japan
 
  Mar. 2012 Newly introduced “Biorubber CBCM” material for triathlon wetsuits with compressing function
  Apr. 2012 Launched sales of “RSM Sensor Pot,” “RSM Core Wear 600I” and “RSM Multiple Sheet” radiation shielding products
  June 2012 Announced “Zero Position Professional” swimwear for top competitive swimmers to use in training
  Aug. 2012 Announced the release of “RSM Type XI Wear” water-resistant radiation (gamma ray) shielding wear
  Spet. 2012 Members of the Japanese women’s team (Misuzu Okamoto, Hanako Hirose and Tomoka Fukuda) that wore wetsuits made using Yamamoto Corporation’s materials won a gold medal at the freediving AIDA Team World Championships held in France
 
  Dec. 2012 Acquired ISO13485, quality management system for medical equipment
 
  Mar. 2013 Biorubber received its first certification as medical equipment from the Society for Integrative Medicine Japan
Announced “Zero Position Sports Belt,” a belt that adjusts pelvic balance
  Sept. 2013 Announced “BRS-TX Nano” material for high-speed swimwear which obtained approval from FINA as competitive swimwear for 2014
Misuzu Okamoto wore a wetsuit made using Yamamoto Corporation’s materials and won a silver medal (CWT 86m) in AIDA Individual Depth World Championship held in Greece
  Oct. 2013 Announced "RSM β38 Wear Metal" radiation shield wear against radioactive water
  Dec. 2013 Announced W Vest, high heat retention inner wear
 
  Jan. 2014 Announced RSM HARDY Partition, a radiation shielding screen
Awarded “Management of the Year for fiscal 2013,” the best business management award, by Diamond, Inc.
  Feb. 2014 Introduced “RSM Car Seat Cover” radiation shielding seat cover for vehicles
  Mar. 2014 Biorubber registered as medical equipment in the U.S.
  Apr. 2014 Gave completion demonstration on the “prosthetic flipper jacket” for sea turtle Yu-chan without forelimbs
  May 2014 Marked the 50th anniversary as Yamamoto Corporation and made declaration of being a “Healthy Company”
  June. 2014 Launched sales of lightweight vest “Biorubber Petit Vest”
  Aug. 2014 Started holding events of Medical Biorubber at post offices all over Japan
  Sep. 2014 Launched sales of “RSM β88 Wear” radiation shield wear against beta rays
Members of both the Russian men’s and women’s teams that wore wetsuits made using our SCS Metal materials won overall in the freediving Aida Team World Championship held in Italy.
The Japanese women’s team claimed their fourth consecutive podium finish by winning a silver medal (provided wetsuit materials of SCS Metal and competitive swimwear for pool disciplines).
  Nov. 2014 Became a member of Atsumi-Kazuhiko.org (Kazuhiko Atsumi Future Health and Medicine Foundation)
Launched sales of all Biorubber products at events held at post offices
Introduced “RSM E-400 type YS” radiation shield wear for main trunk of the body
 
  Mar. 2015 Announced “competition swimsuit material BRS-4TP,” “wetsuit material AFS” and “Biorubber Premium” as new materials for 2015/2016
  July 2015 Introduced Biorubber Vest “BIO ONE” for pets
  Oct. 2015 Sold “Merlin Mach” which obtained approval from FINA as competitive swimwear for 2016
  Nov. 2015 Opened a booth in Takashimaya’s Osaka store and launched sales at Takashimaya’s online store
 
  Mar. 2016 Started “Yoshinori Oyama’s PBBC Program” for improving skeletal distortion
Launched sales of Biorubber products at Keihan Department
  May 2016 Athletes wearing wetsuits made using our “S.C.S.” material set outstanding records in the freediving marine championships (Vertical Blue 2016) held in the Bahamas.
Sayuri Kinoshita and Hanako Hirose set the world female records of -72m in CNF (first time for Japanese athlete to achieve in international competition) and the Asian female record of -99m in CWT respectively. William Trubridge, an athlete from New Zealand, broke the world record achieving -124m in FIM and won overall.
  June 2016 “Naturally recovering your body by warming your eyes!” (Written by Kiyoshi Morioka; published by Sanctuary Publishing), a book for improving asthenopia including Biorubber eye masks was published
  July 2016 Launched sales of “Biorubber Aero-Dome Shape-Up Belt” for improving body trunk, posture and waist line
  Sep. 2016 The members of the Japanese women's team (also known as “Mermaid Japan”) that wore wetsuits made using our SCS Metal materials for the competitions in the marine disciplines and our special swimwear for the competitions in the pool disciplines won the overall gold medal in the combination discipline team competition (third gold medal since the world championships held four years ago and fifth consecutive podium finish) at the freediving AIDA Team World Championships held in Greece.
  Nov. 2016 Launched sales of trunk belt “Zero Position Body Balance Belt”
 
     


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