Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5988123 | Method of controlling an electric valve drive device and a control system therefor | Kizuku Ohtsubo | 1999-11-23 |
| 5983847 | Electric valve drive device in an internal combustion engine | Kizuku Ohtsubo | 1999-11-16 |
| 5909613 | Apparatus for removing harmful gas | Kazuteru Shinkai, Toshiharu Sasamoto, Hitomi Kawakami, Satoshi Nishikata | 1999-06-01 |
| 4872335 | Vibrating type transducer | Michihiko Tsuruoka, Wataru Nakagawa, Naohiro Konosu, Tadao Hashimoto | 1989-10-10 |
| 4648280 | Karman vortex flowmeter | Michihiko Tsuruoka, Mutsumi Nagumo | 1987-03-10 |
| 4593190 | Apparatus for inspecting capsules | Tetsuji Kawasaki, Yukimasa Tachibana | 1986-06-03 |
| 4584883 | Karman vortex flowmeter | Michihiko Tsuruoka, Mutsumi Nagumo | 1986-04-29 |
| 4470310 | Karman's vortex flow metering apparatus | Michihiko Tsuruoka | 1984-09-11 |
| 4354602 | Device for inspecting the external appearance of solid medicine | Yoshio Sugiyama, Tetsuji Kawasaki, Jun Yamaguchi, Kouji Shiino, Mamoru Shiratori | 1982-10-19 |