Issued Patents All Time
Showing 251–275 of 290 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832855 | Immersion oil for microscopy | — | 1989-05-23 |
| 4814667 | Light emitting diode array having uniform illuminance distribution | — | 1989-03-21 |
| 4803316 | Push button switch using dome spring and switch element thereof | Kazutoshi Hayashi, Hideo Nabetani, Kazushi Ishida | 1989-02-07 |
| 4789490 | Immersion oil composition having low fluorescence emissions for microscope | — | 1988-12-06 |
| 4785776 | Diesel engine having shaped flame dispersing recess in piston crown | Naomi Tokura, Motohiro Shinzawa | 1988-11-22 |
| 4780879 | Semiconductor laser device having little astigmatism | Naoki Chinone, Shigeo Yamashita, Shin'ichi Nakatsuka, Akemi Yamanaka, Yuichi Ono +4 more | 1988-10-25 |
| 4730094 | Electric spark machining apparatus | Jun Aramaki | 1988-03-08 |
| D293419 | Watch case | — | 1987-12-29 |
| D293420 | Watch case | — | 1987-12-29 |
| 4685437 | Intake air heater for internal combustion engine with perforated plate heater element partially traversing air passage | Hitoshi Niwa, Hirokatsu Mukai, Naoto Miwa, Akio Nara, Etsuji Nomura +3 more | 1987-08-11 |
| 4676209 | Transfer passage arrangement for diesel engine having swirl chamber | Yukihiro Etoh, Kunihiko Sugihara, Giichi Shioyama, Yoshihisa Kawamura | 1987-06-30 |
| 4667644 | Intake air heating apparatus | Makoto Hori, Etsuji Nomura, Hitoshi Niwa, Hirokatsu Mukai | 1987-05-26 |
| 4662330 | Diesel engine having swirl chamber and shaped flame dispersing recess in piston crown | Giichi Shioyama, Kunihiko Sugihara, Yukihiro Etoh, Yoshihisa Kawamura | 1987-05-05 |
| 4635598 | Swirl chamber arrangement for diesel engine or the like | Kunihiko Sugihara | 1987-01-13 |
| 4564341 | Fuel injection pump for an internal combustion engine | — | 1986-01-14 |
| 4557230 | Swirl chamber for internal combustion engine | Yukihiro Etoh, Nobukazu Kanesaki, Hiroaki Miyazaki | 1985-12-10 |
| 4541375 | Diesel engine swirl chamber having improved multiple transfer passage arrangement | — | 1985-09-17 |
| 4531488 | Fuel injection pump for an internal combustion engine | Yoshihisa Kawamura | 1985-07-30 |
| 4531491 | Fuel injection rate control system for an internal combustion engine | Akihiro Iiyama, Hiroaki Miyazaki, Yukihiro Etoh | 1985-07-30 |
| 4530324 | Fuel injection pump for an internal combustion engine | Hiroaki Miyazaki, Yukihiro Etoh, Nobukazu Kanesaki, Akihiro Iijima | 1985-07-23 |
| 4529849 | Push-button switch and a keyboard comprising the same | Seisuke Kamei, Kazutoshi Hayashi, Akira Tanaka, Ryohei Kinoshita | 1985-07-16 |
| 4498256 | Item input device for a data processing system | Masao Fukai, Tatsuro Onuma, Ryohei Kinoshita | 1985-02-12 |
| 4475973 | Method for production of a fluid separation module | Ichiro Kawata, Keisuke Nakagome, Koji Matsui | 1984-10-09 |
| 4436060 | Engine cooling system | Shoji Ushimura, Yukihiro Etoh | 1984-03-13 |
| 4425885 | Diesel engine fuel injection device | Shoji Ushimura | 1984-01-17 |