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 blade manufacturing methods for preparation of the initial launch of domestic production, in Japan. |
| 1922 | Japan’s first domestically produced ”Star brand” circular saw blade was introduced to the market. |
| 1930 August |
Tenryu was awarded the national "Superior Domestically Produced Product Award" for their saw blades for woodworking. |
|
1937 |
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 July |
Listed on the Tokyo Stock Exchange JASDAQ (Standard) due to the integration of the spot market of the Osaka Stock Exchange and the Tokyo Stock Exchange. |
| 2013 October |
Tenryu Saw Mfg. Co., Ltd. marked its 100th anniversary. |
| 2017 October |
Omuta Factory was set up in Omuta, Fukuoka-Pref. as a new production facility. |
| 2017 November |
Longlian Tools Corporation moved to Dalian. |
| 2018 June |
Tenryu (Dalian) Saw Mfg. Co., Ltd., a saw blade manufacturer and distributor was established in Dalian, Liaoning, China. |
| 2022 April |
Due to changes in the market classification of the Tokyo Stock Exchange, transferred to the Standard Market of the Tokyo Stock Exchange. |
Tenryu Saw Mfg. Co., Ltd.