Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11491917 | Tilting mechanism of view device for vehicle | Yoshiaki Nagashima | 2022-11-08 |
| 8846840 | Adamantyl (meth)acrylic monomer and (meth)acrylic polymer containing the same as repeating unit | Kikuo Furukawa, Yoshio Nishimura | 2014-09-30 |
| 8063999 | Glass polarizer and manufacturing method thereof | Khaled Jabri, Nobuhito Takeshima, Atsushi Arai, Hiromichi Nishimura, Yoshihiko Noro | 2011-11-22 |
| 6777359 | Polarizing glass and preparation method thereof | Yoshitaka Yoneda | 2004-08-17 |
| 6074968 | Chalcogenide glass fiber | Yoshitaka Yoneda, Shozo Morimoto | 2000-06-13 |
| 5958103 | Process for producing preform for glass fiber and process for producing glass fiber | Yoshitaka Yoneda, Shozo Morimoto | 1999-09-28 |
| 5185021 | Method of manufacturing preform for nonoxide glass fiber | Kiyotaka Miura | 1993-02-09 |
| 4871230 | Single mode phosphate laser glass fiber | Sho Amano, Hidemi Tajima, Isao Masuda, Tetsuro Izumitani | 1989-10-03 |
| 4845057 | Halide glass | Kiyotaka Miura, Minoru Tokida | 1989-07-04 |
| 4806138 | Method for melting fluorophosphate glass | Kiyotaka Miura, Tetsuro Izumitani | 1989-02-21 |
| 4794435 | Photochromatic gradient lens having two colortones and process for producing same | Tetsuo Suzuki | 1988-12-27 |
| 4761387 | Fluoride glass | Minoru Tokida, Tetsuro Izumitani, Kiyotaka Miura | 1988-08-02 |
| 4726652 | Faraday rotation single-mode optical fiber | Hidemi Tajima, Isao Masuda | 1988-02-23 |
| 4521524 | Contrast enhancement filter for color CRT display devices | — | 1985-06-04 |
| 4444616 | Method for exposure of chemically machinable light-sensitive glass | Yoshimi Fujita | 1984-04-24 |
| 4390391 | Method of exposure of chemically machineable light-sensitive glass | Yoshimi Fujita | 1983-06-28 |
| 4305757 | Antiblurring glass | — | 1981-12-15 |
| 4303298 | Near infrared absorption filter for color television cameras | — | 1981-12-01 |
| 4288250 | Glass filter for contrast enhancement in CRT displays | — | 1981-09-08 |