Issued Patents All Time
Showing 301–325 of 338 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4976989 | Method for preparing a magnetic recording medium | Masashi Aonuma, Tsutomu Okita, Kingo Kobayashi | 1990-12-11 |
| 4972808 | Arrangement of cooling system for transversely mounted internal combustion engine | — | 1990-11-27 |
| 4970994 | Intake manifold for V-type internal combustion engine | Takashi Sawada, Eiichi Fujisawa | 1990-11-20 |
| 4970468 | Analytical equipment with function of detecting liquid surface capacitively | Masato Ishizawa | 1990-11-13 |
| 4959263 | Magnetic recording medium | Masashi Aonuma, Tsutomu Okita, Hiroaki Araki, Kiyotaka Fukino, Kiyomi Ejiri | 1990-09-25 |
| 4927131 | Sheet stacking apparatus | Hiromichi Yamanaka | 1990-05-22 |
| 4890080 | Electromagnetic relay with an operation indicating member | — | 1989-12-26 |
| 4887059 | Iron core of electromagnet and method of producing the same | Katsuhiko Asano | 1989-12-12 |
| 4871129 | Speed change of fishing reel | — | 1989-10-03 |
| 4853740 | Recording apparatus capable of multiple recording on one or both sides of a sheet | Yukihide Ushio, Kenjiro Hori, Kaoru Seto, Toshio Yoshimoto | 1989-08-01 |
| 4813629 | Fishing reel having a waterproof drag mechanism | Nobuyuki Yamaguchi | 1989-03-21 |
| 4812351 | Magnetic recording medium | Tsutomu Okita, Masashi Aonuma | 1989-03-14 |
| 4810435 | Method of making substrate for magnetic recording medium | Koh Kamada, Tsutomu Okita | 1989-03-07 |
| 4781965 | Magnetic recording medium | Noburo Hibino, Tsutomu Okita | 1988-11-01 |
| 4766335 | Analog-digital hybrid integrated circuit | Osamu Shiraishi | 1988-08-23 |
| 4761662 | Image forming apparatus comprising an image bearing member driven at a predetermined constant speed | Toshio Yoshimoto, Kiyoshi Kanaiwa, Kenjiro Hori, Yukihide Ushio, Kaoru Seto | 1988-08-02 |
| 4735858 | Heat-resistant prepreg and method for production thereof | Etsuo Hosokawa | 1988-04-05 |
| 4716077 | Magnetic recording medium | Tsutomu Okita, Masashi Aonuma | 1987-12-29 |
| 4712118 | Laser beam printer | Kaoru Seto, Yukihide Ushio, Kenjiro Hori, Toshio Yoshimoto, Kiyoshi Kanaiwa | 1987-12-08 |
| 4707380 | Process for preparing a magnetic recording medium | Tsutomu Okita, Yoshito Mukaida | 1987-11-17 |
| 4703413 | Method and apparatus for modification of a single bit in a bit-addressable computer system | — | 1987-10-27 |
| 4690870 | Magnetic recording medium | Tsutomu Okita, Nobuo Tsuji, Yoshito Mukaida | 1987-09-01 |
| 4673590 | Process for preparing a magnetic recording medium | Tsutomu Okita, Noburo Hibino | 1987-06-16 |
| 4671998 | Magnetic recording medium | Tsutomu Okita, Masashi Aonuma | 1987-06-09 |
| 4664964 | Magnetic recording medium | Tsutomu Okita | 1987-05-12 |