Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5448661 | Optical parallel transmission device | Hajime Abe | 1995-09-05 |
| 5363393 | Surface emitting semiconductor laser | Kazuhisa Uomi, Misuzu Sagawa | 1994-11-08 |
| 5321540 | Optical frequency division multiplexing network | Ryoji Takeyari, Akihiko Takase | 1994-06-14 |
| 5293084 | High speed logic circuit | Hiroyuki Itoh, Toshiyuki Usagawa | 1994-03-08 |
| 5282909 | Aluminum alloy extrusion material with excellent chip separation property and precision of cut face on cutting | Chiaki Ara, Nagahide Kawasaki, Hidenori Joka, Tadashi Ohya | 1994-02-01 |
| 5263108 | Electrical circuit apparatus | Hiroshi Kurokawa, Takeshi Kato | 1993-11-16 |
| 5263109 | Optical transmission paths and methods of measuring their optical transmission times | Hajime Abe | 1993-11-16 |
| 5130677 | Signal termination circuit | — | 1992-07-14 |
| 4972764 | Combination of sliding members | Tadashi Ohya | 1990-11-27 |
| 4880289 | Two-way optical transmission system | Katsuyuki Imoto, Akihiko Takase, Satoshi Aoki, Tsutomu Yoshiya, Shoji Yamada | 1989-11-14 |
| 4759015 | Ring network system for transmission of multicast information | Kazunori Nakamura, Yoshihiro Takiyasu, Nagatoshi Usami, Mitsuhiro Yamaga | 1988-07-19 |
| 4308596 | Memory driving method | Yuzo Kita, Yoshimune Hagiwara, Terumi Sawase, Takaaki Hagiwara | 1981-12-29 |
| 4270220 | Electronic tuning type television receiver | Yoshimune Hagiwara, Terumi Sawase, Yuzo Kita, Akira Honda | 1981-05-26 |