History
1909 Tenryu Tekko was founded as a limited partnership for repairing and remaking circular saws in Nakanomachi-mura, Hamana-gun.
1910
July
The corporate name was changed to Tenryu Seikyo (limited partnership company) and the new factory was built in 545-2 Hashiwa, Wada-mura, Hamana-gun.
1913
October
Tenryu Saw Mfg. Co., Ltd. was established.
1918
March
Tokyo branch was opened in Fukagawa, Tokyo. (Closed in April, 1945)
1919
July
Osaka branch was opened in Kita-ku, Osaka.
1919
September
Akita branch was opened in Akita City.
1920
April
Two engineers were sent to England to study circular saw manufacturing methods for the woodworking industry. Japan’s first saw manufacturing business was established upon their return to Japan.
1930
August
Tenryu was awarded the national "Superior Domestically Produced Product Award" for their saw blades for woodworking.

1937
November

Osaka Branch moved to Taisho-ku, Osaka. (Closed in October, 1944)
1946
August
Tokyo Office opened in Nihonbashi-ku now known as Chuo-ku.
1948
January
Osaka Office was opened in Nishi-ku, Osaka.
1950
December
Tenryu’s plant was designated a Japanese Industrial Standards (JIS) plant for circular saws for woodworking.
1960年
March
Production of circular saws for power tools started.
1962
October
Commercial production of carbide tipped saw blades started.
1965
May
Production of diamond saw blanks started.
1972
April
Kumamoto Sales Office opened in Kumamoto.
(Closed in April 1987)
1972
December
Affiliated companies, Pass Co., Ltd., a band saw manufacturer, and Kaken Co., Ltd., a diamond cutting saw manufacturer were established.
1973
October
Hokuriku Sales Office was opened in Toyama.
1974
February
Joint venture company, Young Chang Saw & Knife Co., Ltd., a diamond saw blanks manufacturer was established in Inchon, Korea.
1975
November
Production of saw blades for disassembling Shinkansen trains started.
1976
May
Giken Co., Ltd., an affiliated company for manufacturing band saw processing machines and related equipment was established.
1982
August
Sales of metal saws started.
1984
January
Headquarters and plant moved to current location in Asaba, Fukuroi, Shizuoka Prefecture.
1984
May
Production of carbide tipped saw blades for metal cutting started.
1988
November
Tenryu Saw Mfg. Co., Ltd. registered with the over-the-counter section of the Tokyo and Nagoya Stock Exchanges.
1991
August
Osaka Branch moved to Higashi Osaka.
1992
February
Joint venture with Young Chang Saw & Knife Co., Ltd., in Korea was dissolved.
1992
April
Kaken Co., Ltd., Giken Co., Ltd. and Pass Co., Ltd. were merged with Tenryu.
1993
October
Hokkaido Sales Office opened in Asahikawa.
1994
July
Tenryu (China) Saw Mfg. Co., Ltd., a Chinese saw blade manufacturer and distributor entered into a joint venture with Young Chang Saw & Knife Co., Ltd. in Korea. This joint venture was established in Langfang, Hebei, China.
1995
April
Tokyo Branch moved to Narashino, Chiba Prefecture.
1996
May
Tenryu America, Inc. was established in Melbourne, Florida, USA for selling saw blades and other products.
2000
July
Hokkaido Sales Office is closed and merged with the Akita Branch.
2000
September
The joint venture between Tenryu Saw Mfg. Co., Ltd. in Japan and Young Chang Saw & Knife Co., Ltd. in Korea was dissolved. Tenryu China became a wholly-owned subsidiary.
2001
December
Tenryu America, Inc. moved to Florence, Kentucky.
2002
January
Longlian Tools Corporation, a cutters manufacturer and distributor was established in Langfang, Hebei, China.
2004
August
Tenryu Saw (Thailand) Co., Ltd. was established in Bangplee Industrial Estate, Samutprakarn, Thailand.
2006
October
Tenryu America, Inc. moved to Hebron, Kentucky.
2007
September
Headquarters and factory obtained ISO-14001 certification.
2008
January
Tenryu Saw (Thailand) Co., Ltd. moved to Chonburi.
2009
September
Tenryu Europe GmbH was established in Dusseldorf, Germany for selling saw blades and other products.
2010
January
The main office of Tenryu Europe GmbH was moved to Aalen, Baden-württemberg, Germany.
2011
July
Tenryu America, Inc. Houston Sales Office was established in Houston, Texas.
2011
September
Tenryu Saw India Private Limited was established in Neemrana, Rajasthan, India.
2011
October
Tenryu (China) Saw Mfg. Co., Ltd. Suzhou Branch was established in Suzhou, Jiangsu.
2012
March
Tenryu Saw (Thailand) Co., Ltd. was moved to Rayong.
2012
April
Tenryu Saw India Private Limited moved to Gurgaon, Haryana.
2012
October
Tenryu Saw de Mexico, S.A. de C.V. was established in Silao, Guanajuato, Mexico.
2013
February
Hokuriku Sales Office moved to Hariwaranakamachi, Toyama, Toyama Prefecture.
2013
October
Tenryu Saw Mfg. Co., Ltd. marked its 100th anniversary.