Issued Patents 1989
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872439 | Device for preventing outflow of a fuel vapor from a fuel tank | Hidefumi Sonoda, Eiji Mori, Mitsuo Kawase, Kazuhiro Yoneshige, Hirokazu Komiya +1 more | 1989-10-10 |
| 4869335 | Four-wheel steering system of a motor vehicle | — | 1989-09-26 |
| 4869099 | Device for detecting the amount of the air intaken by an internal combustion engine | Yasuo Tada | 1989-09-26 |
| 4864551 | Multi-disk player system | Nobumitsu Tomita, Shogo Takeuchi | 1989-09-05 |
| RE33027 | Engine idling speed controlling system | Yoshiaki Danno, Kazumasa Iida, Toru Hashimoto, Yasukuki Okamoto, Kenzo Nakao | 1989-08-22 |
| 4858212 | Recording method on magnetooptical disc with laser magnetic field | Yoshiteru Murakami, Michinobu Mieda, Tomoyuki Miyake, Kenji Ohta | 1989-08-15 |
| 4853351 | Silica shaped bodies and process for preparing same | Kazuo Shibahara, Katsuhiro Morimoto, Hiromasa Samma, Kazuhiko Kubo | 1989-08-01 |
| 4848301 | Fuel feed quantity control system for internal combustion engine | Toru Hashimoto, Mamoru Sugiura, Hiroshi Takamatsu, Takeshi Jinbo, Yasuhiko Saito +1 more | 1989-07-18 |
| 4841499 | Multi-disc player | Testuro Kamimura, Masahiko Kawamura, Kiyoshi Morikawa, Sei Onishi | 1989-06-20 |
| 4839251 | Photo-mask for use in manufacturing an optical memory disc, a method for making the photo-mask and a method for manufacturing the optical memory disc | Kenji Ohta, Tetsuya Inui, Junji Hirokane, Hiroyuki Katayama | 1989-06-13 |
| 4834054 | Method of detecting a fault of an exhaust gas recirculation system | Toru Hashimoto, Takeshi Imaizumi, Susumu Saito, Hiroshi Tanaka, Takeshi Jimbo | 1989-05-30 |
| 4818648 | Optical memory element | Kenji Ohta, Tetsuya Inui, Hiroyuki Katayama, Junji Hirokane, Yoshiteru Murakami | 1989-04-04 |
| 4810640 | Method of quantitative assay for 1,5-anhydroglucitol | Tsuneo Nakamura, Hiroshi Akanuma, Akinori Naito, Masahiko Yabuuchi, Shigeru Tajima +2 more | 1989-03-07 |
| 4809031 | Photometer for use in a camera | Touru Sakaguchi, Akira Ueno | 1989-02-28 |
| 4798082 | Control-display device for an engine-equiped apparatus | Tetsuzo Fujikawa, Yoichi Yamaguchi | 1989-01-17 |