Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8268613 | Surface plasmon resonance measuring chip and method of manufacture thereof | Masayuki Naya, Takashi Kubo, Takashi Ito | 2012-09-18 |
| 6342976 | Luminous flux diameter variable type objective lens and optical apparatus using the same | Kaneyoshi Yagi, Masato Kawabata | 2002-01-29 |
| 6088160 | Diffractive optical element | Masaaki Fukuda, Takashi Ito, Kaneyoshi Yagi | 2000-07-11 |
| 6055111 | Plastic lens and method of making a plastic lens | Masaaki Fukuda, Takashi Ito, Kaneyoshi Yagi | 2000-04-25 |
| 6050406 | Storage case for diffraction grating | Masaaki Fukuda, Takashi Ito, Kaneyoshi Yagi | 2000-04-18 |
| 6034827 | Optical lens | Masaaki Fukuda, Takashi Ito, Kaneyoshi Yagi | 2000-03-07 |
| 6010647 | Multifocal lens and method of making the same | Masaaki Fukuda, Takashi Ito, Kaneyoshi Yagi | 2000-01-04 |
| 6008957 | Optical lens and method of making the same | Masaaki Fukuda, Takashi Ito, Kaneyoshi Yagi | 1999-12-28 |
| 6008955 | Optical lens | Masaaki Fukuda, Takashi Ito, Kaneyoshi Yagi | 1999-12-28 |
| 5995304 | Plastic lens | Masaaki Fukuda, Takashi Ito, Kaneyoshi Yagi | 1999-11-30 |
| 5982565 | Plastic lens and method of making the same | Masaaki Fukuda, Takashi Ito, Kaneyoshi Yagi | 1999-11-09 |
| 5975882 | Molded optical component with gate stubs removed from peripheral rim portions | Youhei Shinozawa, Masaaki Fukuda | 1999-11-02 |
| 5960951 | Lens case containing lenses with reduced contact area | Masaaki Fukuda, Takashi Ito, Kaneyoshi Yagi | 1999-10-05 |
| 5936782 | Objective lens for a pickup optical system | Masaaki Fukuda, Takashi Ito, Kaneyoshi Yagi | 1999-08-10 |
| 5905599 | Optical lens having a hygroscopicity adjusting part | Masaaki Fukuda, Takashi Ito, Kaneyoshi Yagi | 1999-05-18 |