Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4763020 | Programmable logic device having plural programmable function cells | Koichi Fujii | 1988-08-09 |
| 4700125 | Power supply switching circuit | Shigeki Matsuoka | 1987-10-13 |
| 4651304 | EPROM memory device having a test circuit | — | 1987-03-17 |
| 4626704 | Voltage level converting circuit | Toyofumi Takahashi | 1986-12-02 |
| 4565960 | Power supply switching circuit | Shigeki Matsuoka | 1986-01-21 |
| 4464816 | Sized warp divider for a sizing machine | — | 1984-08-14 |
| 4419972 | Air-fuel intake system for an internal combustion engine | Tadashi Hattori, Hitoshi Yoshida, Keichi Akutagawa, Tamotsu Fukuda | 1983-12-13 |
| 4327685 | Air-fuel intake system for internal combustion engines | Kenichi Akutagawa, Hitoshi Yoshida, Tadashi Hattori, Tamotsu Fukuda | 1982-05-04 |
| 4285319 | Air flow amount adjusting system for an internal combustion engine | Tadashi Hattori, Tamotsu Fukuda, Takamichi Nakase | 1981-08-25 |
| 4282840 | Internal combustion engine with altitude compensation device | Kenji Yamada, Akira Ii, Katsuhiko Ohiwa | 1981-08-11 |
| 4219310 | Construction of adjustable blade shaft bearing in axial-flow fan with adjustable blades | Kazuhiko Ozaki | 1980-08-26 |
| 4192268 | Air flow amount adjusting system for an internal combustion engine | Tadashi Hattori, Tamotsu Fukuda, Takamichi Nakase | 1980-03-11 |