Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5501217 | Contact lens for intraocular observation | Shinji Ishiguro | 1996-03-26 |
| 5359372 | Contact lens for intraocular observation | Hideki Kida, Shinji Ishiguro | 1994-10-25 |
| 5148231 | Apparatus for measuring a refracting power of an optical system | Shinji Ishiguro | 1992-09-15 |
| 4508664 | Variable venturi-type carburetor | Yoshio Tamura, Takaaki Ito | 1985-04-02 |
| 4495112 | Variable venturi-type carburetor | Takaaki Itou, Takashi Katou | 1985-01-22 |
| 4493804 | Variable venturi-type carburetor | Norihiko Nakamura, Takaaki Itoh, Takashi Katou, Yozo Ota | 1985-01-15 |
| 4491550 | Variable venturi type carburetor | Norihiko Nakamura, Takaaki Itoh | 1985-01-01 |
| 4477392 | Variable venturi-type carburetor | Norihiko Nakamura, Takaaki Itoh, Takashi Katou, Yozo Ota | 1984-10-16 |
| 4473511 | Variable venturi-type carburetor | Takaaki Itoh, Takashi Katou | 1984-09-25 |
| 4472326 | Variable venturi-type carburetor | Norihiko Nakamura, Takaaki Itoh, Takashi Katou, Yozo Ota | 1984-09-18 |
| 4465642 | Variable venturi-type carburetor | Norihiko Nakamura, Takashi Katou, Takaaki Itoh | 1984-08-14 |
| 4464311 | Variable venturi-type carburetor | Norihiko Nakamura, Takaaki Itoh, Takashi Katou, Yozo Ota | 1984-08-07 |
| 4459243 | Variable venturi-type carburetor | Norihiko Nakamura, Takaaki Itoh, Takashi Katou, Yozo Ota | 1984-07-10 |
| 4450117 | Variable venturi-type carburetor | Norihiko Nakamura, Takaaki Ito, Takashi Katou, Yozo Ota | 1984-05-22 |
| 4443388 | Device for adjusting the degree of opening of the throttle valve of a carburetor | Mitsuyoshi Teramura, Masatami Takimoto, Norihiko Nakamura, Takaaki Itoh, Takashi Katou +1 more | 1984-04-17 |
| 4352763 | Vent changeover device for a carburetor | Nobuo Yamada | 1982-10-05 |
| 4314535 | Feedback type variable venturi carburetor | Yuzu Takeuchi, Shigetaka Takada | 1982-02-09 |
| 4305893 | Variable venturi type carburetor | — | 1981-12-15 |
| 4290399 | Floatless variable venturi type carburetor | Shigetaka Takada | 1981-09-22 |
| 4275016 | Variable venturi type carburetor | Masayuki Okamura | 1981-06-23 |