Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6241835 | Cleaning product and production process therefor | Kouzou Abe, Yasuhiko Kenmochi, Yoshinori Tanaka | 2001-06-05 |
| 6143393 | Cleaning product and production process therefor | Kouzou Abe, Yasuhiko Kenmochi, Yoshinori Tanaka | 2000-11-07 |
| 5386433 | Semiconductor laser including periodic structures with different periods for producing a single wavelength of light | Yuji Ohkura | 1995-01-31 |
| 5238785 | Method of manufacturing a diffraction grating for a semiconductor laser | Yuji Ohkura | 1993-08-24 |
| 5236811 | Method of producing a .lambda./4-shifted diffraction grating | — | 1993-08-17 |
| 5143864 | Method of producing a semiconductor laser | Akira Takemoto, Hitoshi Watanabe, Syoichi Kakimoto | 1992-09-01 |
| 5093835 | Semiconductor laser device | Akira Takemoto, Hitoshi Watanabe, Syoichi Kakimoto | 1992-03-03 |
| 5031418 | Cooling pack | Miyuki Hirayama, Eiji Umemura, Hiroyuki Inagaki | 1991-07-16 |
| 5024726 | Method for producing a .lambda./4 shift type diffraction grating | — | 1991-06-18 |
| 4894834 | Semiconductor laser and method for production thereof | Syoichi Kakimoto, Syogo Takahashi | 1990-01-16 |
| 4782035 | Method of forming a waveguide for a DFB laser using photo-assisted epitaxy | — | 1988-11-01 |
| 4712173 | Multicontrol process control system | Masato Kuroda, Tatsuhide Shiga | 1987-12-08 |
| 4675567 | Electro-pneumatic pressure converter | Masato Kuroda | 1987-06-23 |
| 4649359 | Explosion-proof electro-displacement converter device | Yoshikuni Doki, Tatsuhide Shiga, Yohsuke Shono, Mikio Tanaka, Yoshihiro Tsuruoka | 1987-03-10 |
| 4617952 | Switching valve and an electro-pneumatic pressure converter utilizing the same | Masato Kuroda | 1986-10-21 |
| 4586388 | Three force balanced mechanism | Mikio Tanaka, Yoshikuni Doki, Yoshihiro Tsuruoka, Tatsuhide Shiga | 1986-05-06 |
| 4502333 | Three force balanced mechanism | Tatsuhide Shiga, Mikio Tanaka, Yoshikuni Doki, Yoshihiro Tsuruoka | 1985-03-05 |