Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11062458 | Appearance inspection device, transformation data generation device, and program | Yoshitaka Sakamoto, Kazuhiro Hotta, Tomokazu Murata | 2021-07-13 |
| 6889529 | Method of manufacturing optical fiber preform | Toshihiro Ooishi, Yuichi Ohga, Motonori Nakamura | 2005-05-10 |
| 6748769 | Method of producing glass particles deposit | Toshihiro Ooishi, Yuichi Ohga, Motonori Nakamura | 2004-06-15 |
| 6697559 | Optical fiber and method of making the same | Masaaki Hirano, Masashi Onishi | 2004-02-24 |
| 6535679 | Optical fiber and method of manufacturing the same | Akira Urano, Toshio Danzuka | 2003-03-18 |
| 6519403 | Optical fiber and method of making the same | Masaaki Hirano, Masashi Onishi | 2003-02-11 |
| 6474108 | Fiber preform method with a hot drill-in step for a Ge-doped tube and an F-doped rod | Masashi Onishi, Masaaki Hirano | 2002-11-05 |
| 6407404 | Apparatus for the examining defect of monolithic substrate and method for examining the same | Shigeru Kawamura | 2002-06-18 |
| 6360046 | Dispersion-shifted optical fiber | Eisuke Sasaoka, Takatoshi Kato, Akira Urano | 2002-03-19 |
| 6275638 | Dispersion-shifted fiber | Eisuke Sasaoka, Takatoshi Kato, Akira Urano | 2001-08-14 |
| 5901833 | Golf ball conveyor | — | 1999-05-11 |
| 5872871 | Method and device for measuring the position of a pattern | Takahiro Itakura | 1999-02-16 |
| 5806191 | Hedge trimmer | Koji Haneda | 1998-09-15 |
| 5783959 | High precision clock signal generator | — | 1998-07-21 |
| 5653030 | Hedge trimmer | Koji Haneda | 1997-08-05 |
| 5440650 | Image processing system for inspection of overprinted matter | Takashi Hieda | 1995-08-08 |
| 5296942 | Method and apparatus for inspecting lightness on the surface of an object | Takashi Hieda, Toshihiro Asai | 1994-03-22 |
| 5118023 | Two-stage returning mechanism | Fusao Fushiya, Akihito Hara | 1992-06-02 |
| D320727 | Portable electric grinder | Fusao Fushiya | 1991-10-15 |
| 5004140 | Electrically-operated tacker | Fusao Fushiya, Akihito Hara | 1991-04-02 |
| 4981982 | Condensation catalyst and catalytical condensation process for organic carboxylic anhydrides | Kikuko Yokoyama, heir | 1991-01-01 |
| D306657 | Power driven brush for cleaning carpets, floors or the like | Fusao Fushiya | 1990-03-20 |