Hiroshi Ohsasa — 3 Patents at S-Tec

Hiroshi Ohsasa has been granted 3 US patents while listed as an inventor at S-Tec. The first was granted in 1987 and the most recent in September 1992. Hiroshi Ohsasa ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Hiroshi Ohsasa in Kyoto, JP.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5145147	Normally closed-type fluid control valve	Akira Nakazawa	1992-09-08
5094430	Control valve	Takashi Shirai, Michinori Iwamoto, Tetsuo Shimizu	1992-03-10
4666126	Control valve	Kiyoharu Tujimura	1987-05-19

Hiroshi Ohsasa — 3 Patents

Issued Patents All Time

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