Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6342798 | PLL circuit used temperature compensated VCO | — | 2002-01-29 |
| 6215571 | Feed-forward type distortion compensating system with less distortion quantity | — | 2001-04-10 |
| 6211984 | Clipping distortion controlling circuits | — | 2001-04-03 |
| 6178026 | Analog optical transmission apparatus | — | 2001-01-23 |
| 6154474 | Laser diode optical wavelength control apparatus | — | 2000-11-28 |
| 5974063 | Method and apparatus for driving laser diode in which deterioration of extinction ratio is prevented | — | 1999-10-26 |
| D401346 | Combined limb conditioning and massaging tool | — | 1998-11-17 |
| 4988456 | Process for producing W/O/W type multiple emulsion for medicines | Yasuyuki Takahashi, Takeshi Takahashi | 1991-01-29 |
| 4985173 | Process for producing a W/O/W type multiple emulsion for medicines, cosmetics, etc. | Yasuyuki Takahashi, Takeshi Takahashi | 1991-01-15 |
| 4971721 | Process for producing a W/O/W type multiple emulsion for medicines, cosmetics, etc. | Yasuyuki Takahashi, Takeshi Takahashi | 1990-11-20 |
| 4931210 | Process for producing a W/O/W type multiple emulsion for medicines, cosmetics, etc. | Yasuyuki Takahashi, Takeshi Takahashi | 1990-06-05 |
| 4714566 | Process for producing W/O/W type multiple emusion | Yasuyuki Takahashi, Shigeru Aizawa, Shigeru Tamai, Takeshi Takahashi | 1987-12-22 |
| 4632840 | Process for preparation of dressings comprising W/O/W type multiple emulsions | Yasuyuki Takahashi, Shigeru Aizawa, Shigeru Tamai, Takeshi Takahashi | 1986-12-30 |
| 4626444 | Process for preparation of dressings comprising W/O/W type multiple emulsions | Yasuyuki Takahashi, Shigeru Aizawa, Shigeru Tamai, Takeshi Takahashi | 1986-12-02 |
| 4626443 | Process for preparing dressings comprising W/O/W type multiple emulsions | Yasuyuki Takahashi, Shigeru Aizawa, Shigeru Tamai, Takeshi Takahashi | 1986-12-02 |
| 4590086 | Process for the production of a water-in-oil-in-water emulsion for foods | Yasuyuki Takahashi, Takeshi Takahashi | 1986-05-20 |
| 4572928 | Key telephone system | Tomio Nishimura, Junzo Kikuchi, Ryuzo Sugiura | 1986-02-25 |
| 4514597 | Control of a key telephone system using a pulse width modulated signal | Junzo Kikuchi, Ryuzo Sugiura, Mutsuhiro Yamamoto | 1985-04-30 |
| 4275696 | Carburetor outer vent control device | Teruo Kumai | 1981-06-30 |
| 4208997 | Carburetor outer vent control device | Teruo Kumai | 1980-06-24 |