Issued Patents All Time
Showing 76–94 of 94 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5842454 | Fuel pump control with control mode switching between before and after engine starting | Makoto Miwa, Naoki Yoshiume, Kiyotoshi Oi, Kazuji Minagawa, Shigeru Takeuchi | 1998-12-01 |
| 5836676 | Light emitting display apparatus | Mitsuji Sekine | 1998-11-17 |
| 5798052 | Piezoelectric ceramic composition | Toshikatsu Hisaki | 1998-08-25 |
| 5766502 | Piezoelectric ceramics and manufacturing method thereof | Kiyoshi Hase, Hiroshi Takagi, Akira Nagai, Yu Tokuda, Koichi Hayashi | 1998-06-16 |
| 5763346 | Dielectric ceramic composition | Tadahiro Minamikawa | 1998-06-09 |
| 5762816 | Piezoelectric ceramic composition | Masahiko Kimura, Hiroshi Takagi | 1998-06-09 |
| 5423000 | Operation control technique for computer system by driving a command procedure with reference to events recorded on a logging storage computer operation control by automatic decision making based on events on a logging storage | Ikuo Kimura, Masaaki Hama, Yoshikazu Ichikawa, Masahiko Ishimaru, Toshio Hirosawa +4 more | 1995-06-06 |
| 5419844 | Piezoelectric ceramics | Kiyoshi Hase, Yasunobu Yoneda, Toshihiko Kittaka | 1995-05-30 |
| 5233256 | Method of driving piezoelectric bimorph device and piezoelectric bimorph device | Seigo Hayashi, Toshihiko Kittaka | 1993-08-03 |
| 5057801 | Filter device of piezo-electric type including divided co-planar electrodes | Toshihiko Kittaka, Hiroshi Tamura | 1991-10-15 |
| 5045744 | Energy-trapping-by-frequency-lowering-type piezoelectric-resonance device | Toshihiko Kittaka, Hiroshi Tamura, Isao Toyoshima | 1991-09-03 |
| 4939403 | Energy-trapping-by-frequency-lowering-type piezoelectric resonance device | Toshihiko Kittaka, Yukio Sakabe | 1990-07-03 |
| 4918350 | Energy-trapping-by-frequency lowering-type piezoelectric resonance device | Toshihiko Kittaka, Yukio Sakabe | 1990-04-17 |
| 4916221 | Fluorine-containing protoporphyrin derivatives and their salts | Itsumaro Kumadaki, Haruo Sato | 1990-04-10 |
| 4900970 | Energy-trapping-type piezoelectric resonance device | Toshihiko Kittaka, Yukio Sakabe, Satoru Fujishima | 1990-02-13 |
| 4876476 | Chip type piezoelectric device | Toshihiko Kittaka, Yukio Sakabe | 1989-10-24 |
| 4805057 | Magnetic head driving apparatus | Toshio Ogawa | 1989-02-14 |
| 4759107 | Monolithic piezoelectric element and method of adjusting the resonant frequency thereof | Toshio Ogawa | 1988-07-26 |
| 4649313 | Piezoelectric displacement element | Toshio Ogawa, Satoru Fujishima | 1987-03-10 |