Issued Patents All Time
Showing 51–75 of 106 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5675683 | Optical coupler constructed using optical fiber ferrules | Kunio Yamada, Yuying Wu | 1997-10-07 |
| 5668905 | Optical fiber ferrule assembly having angular index showing polarization plane | Kunio Yamada, Shuichi Takashi, Naotoshi Shiokawa | 1997-09-16 |
| 5640475 | Optical fiber ferrule holding plate for optical fiber end polishing apparatus | — | 1997-06-17 |
| 5631992 | Optical fiber LED assembly | Yuying Wu, Tomoyuki Mamiya | 1997-05-20 |
| 5621835 | Optical fiber assembly and manufacturing method for the same | Kunio Yamada | 1997-04-15 |
| 5612062 | Means for holding stamper plate in molding metal die | — | 1997-03-18 |
| 5601474 | Polishing disc of spherical surface polishing device for optical fiber end surface and method for polishing spherical surface of optical fiber end surface | — | 1997-02-11 |
| 5600744 | Optical fiber light coupling interface and method for making same | — | 1997-02-04 |
| 5588081 | Light coupling device to couple a light source to an optical fiber | — | 1996-12-24 |
| 5547418 | Optical fiber end-surface polishing device | — | 1996-08-20 |
| 5530781 | Optical fiber light coupling interface with an enlarged incident surface and method of making same | — | 1996-06-25 |
| 5472334 | Injection molding die for injection-molding base boards | — | 1995-12-05 |
| 5466145 | Disc base board molding die including stamper plate attaching/detaching device | — | 1995-11-14 |
| 5400421 | Optical demultiplexing/multiplexing device | — | 1995-03-21 |
| 5388982 | Injection molding die mounted on an injection molding machine for molding optical disc base boards | Katsuyuki Yasuda, Yasuyoshi Sakamoto | 1995-02-14 |
| 5387816 | Hybrid integrated circuit device | Toshiaki Yagura, Kyozo Yamada | 1995-02-07 |
| 5351445 | Apparatus for grinding end faces of ferrules together with optical fibers each firmly received in ferrules | — | 1994-10-04 |
| 5339377 | Optical fiber splicer for ribbon-shaped optical fiber cords | — | 1994-08-16 |
| 5321790 | Optical attenuator using an optical fiber and method and apparatus for producing the same | Kunio Yamada, Naotoshi Shiokawa | 1994-06-14 |
| 5294781 | Moving course data collection system | Ichiro Shimizu, Takashi Shima | 1994-03-15 |
| 5293435 | Light diverging/converging device, structural element for said device and method of producing said element | — | 1994-03-08 |
| 5285723 | Printing apparatus for wire material | Tadashi Ichikawa | 1994-02-15 |
| 5267342 | Light attenuating element and method of producing the same | Kunio Yamada | 1993-11-30 |
| 5265381 | Method for grinding ferrules for ribbon type optical fibers | — | 1993-11-30 |
| 5257334 | Ribbon type optical fiber connector | — | 1993-10-26 |