Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4776778 | Refrigerant compressor with shaft bearing having improved wear resistance | Masahiro Iio, Haruhiko Takada, Mitsuya Ono | 1988-10-11 |
| 4756947 | Grained artificial leather having good color fastness of ultrafine polyamide fibers | Toshio Nishikawa, Shiro Imai, Kenkichi Yagi, Yuriko Yoshida, Masato Shimada +1 more | 1988-07-12 |
| 4717321 | Vane compressor with vane back pressure adjustment | Tsunenori Shibuya, Yutaka Ishizuka, Haruhiko Takada, Hidehiko Takayama | 1988-01-05 |
| 4636153 | Rotary compressor with blind hole in end wall that aligns with back pressure chamber | Yutaka Ishizuka | 1987-01-13 |
| 4620852 | Grained artificial leather having good color fastness and dyeing method of ultrafine polyamide fibers | Toshio Nishikawa, Shiro Imai, Kenkichi Yagi, Yuriko Yoshida, Masato Shimada +1 more | 1986-11-04 |
| 4611977 | Vane compressor with vane back pressure adjustment | Tsunenori Shibuya, Yutaka Ishizuka, Haruhiko Takada, Hidehiko Takayama | 1986-09-16 |
| 4588431 | Mixed phosphatic fertilizer and process for producing the same | Michio Kiyoto, Kazuo Akashi, Isao Hasegawa | 1986-05-13 |
| 4574018 | Pile fabric production process | Yutaka Masuda | 1986-03-04 |
| 4571164 | Vane compressor with vane back pressure adjustment | Tsunenori Shibuya, Yutaka Ishizuka, Haruhiko Takada, Hidehiko Takayama | 1986-02-18 |
| 4514157 | Rotary vane compressor | Shoichi Fukuda | 1985-04-30 |
| 4507065 | Vane compressor having drive shaft journalled by roller bearings | Tsunenori Shibuya | 1985-03-26 |
| 4502854 | Vane compressor having rearwardly located suction connector and discharge connector | Tsunenori Shibuya, Yutaka Ishizuka | 1985-03-05 |
| 4440560 | Mixed phosphatic fertilizer and process for producing the same | Michio Kiyoto, Kazuo Akashi, Isao Hasegawa | 1984-04-03 |
| 4420538 | Heat-sensitive recording materials | Naoto Arai | 1983-12-13 |
| 4414627 | Main memory control system | — | 1983-11-08 |
| 4392788 | Swash-plate type compressor having oil separating function | Umetarou Iino | 1983-07-12 |
| 4367070 | Process for treating fibrous structure | Kazuya Hayashi, Masato Shimada, Yoshihiro Fujii | 1983-01-04 |
| 4325222 | Device responsive to unusual temperature change in refrigerant compressor | Masami Otani | 1982-04-20 |
| 4311758 | Heat-sensitive record material | Yoshitaka Oeda, Takeshi Murakami, Hiroo Hayashi | 1982-01-19 |
| 4306288 | Data processing system with a plurality of processors | — | 1981-12-15 |
| 4285207 | Air conditioning apparatus comprising refrigerant shortage sensor | Hiroyuki Sugiura, Ryota Hasegawa | 1981-08-25 |
| 4236732 | Heat-sensitive record material | Takeshi Murakami, Yoshitaka Oeda, Hiroo Hayashi | 1980-12-02 |
| 4228222 | Heat-sensitive record material | Takeshi Murakami, Hisanori Yagi | 1980-10-14 |