Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8088713 | Superconducting fault-current limiting element and the process for producing the same | Mitsuho Furuse | 2012-01-03 |
| 6637637 | Reflow apparatus | Kiyoharu Shimano, Hiroshi Takakura | 2003-10-28 |
| 5762694 | Ink composition for marking pen | Masakazu Yokoi, Yasuji Okuda | 1998-06-09 |
| 5190008 | Lean burn internal combustion engine | Kiyoshi Yagi, Keisuke Tsukamoto, Toshio Takaoka, Takao Fukuma | 1993-03-02 |
| 5146885 | Air-fuel ratio control device for an engine | Takao Fukuma, Keisuke Tsukamoto, Toshio Takaoka | 1992-09-15 |
| 5092297 | Air-fuel ratio control device for a vehicle engine | Keisuke Tsukamoto, Toshio Takaoka, Takao Fukuma | 1992-03-03 |
| 5080074 | Air-fuel ratio control device of an internal combustion engine | Keisuke Tsukamoto, Toshio Takaoka, Takao Fukuma | 1992-01-14 |
| 5067465 | Lean burn internal combustion engine | Kiyoshi Yagi, Keisuke Tsukamoto, Toshio Takaoka, Takao Fukuma | 1991-11-26 |
| 5060618 | Method and apparatus for controlling torque variations in an internal combustion engine | Toshio Takaoka, Keisuke Tsukamoto, Takao Fukuma | 1991-10-29 |
| 5058556 | Device for determining activated condition of an oxygen sensor | Takao Fukuma, Keisuke Tsukamoto, Toshio Takaoka | 1991-10-22 |
| 4870583 | Constant speed cruise control system of the duty ratio control type | Minoru Takahashi, Jiro Masuda, Akira Miyazaki, Masaki Hitotsuya, Junji Takahashi +3 more | 1989-09-26 |