Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6934516 | Radio network system | Tomoyuki Harada, Hideaki Masuko, Shinichi Hanada, Yoshiaki Adachi, Hisao Ogawa | 2005-08-23 |
| 6728541 | Radio relay system | Yoshinori Ohkura, Masahiro Takahashi, Hideaki Masuko, Shinichi Ueda | 2004-04-27 |
| 6625421 | Radio network system | Tomoyuki Harada, Hideaki Masuko, Shinichi Hanada, Yoshiaki Adachi, Hisao Ogawa | 2003-09-23 |
| 5724350 | Data transmission method and system for hub-based network | Norihiko Sugimoto, Kinshirou Oonishi, Shunji Inada, Yoshinori Ohkura, Katsuhiko Yoneda | 1998-03-03 |
| 5657327 | Data transmission method and system for hub-based network | Norihiko Sugimoto, Kinshirou Oonishi, Shunji Inada, Yoshinori Ohkura, Katsuhiko Yoneda | 1997-08-12 |
| 5517669 | Cyclic data communication system | Yoshinori Ohkura, Shunji Inada, Shinichiro Yamaguchi, Hiroshi Tomizawa | 1996-05-14 |
| 5497370 | Network system | Masakazu Okada, Hiroshi Tomizawa | 1996-03-05 |
| 4949336 | Multi-slot access system | Masahiro Takahashi, Katsuhiko Yoneda, Masakazu Okada | 1990-08-14 |
| 4855993 | Method and apparatus for detecting a fault in a ring network data transmission system | Masahiro Takahashi, Katsuhiko Yoneda, Ken Onuki, Toshihiko Uchiyama | 1989-08-08 |
| 4766590 | Loop transmission system having plural stations connected in a variable order | Masahiro Takahashi, Kotaro Hirasawa, Jushi Ide, Hitoshi Fushimi, Seiichi Yasumoto | 1988-08-23 |
| 4704714 | Method of detecting recovery from fault in a data transmission system which effects loopback control | Hiroshi Tomizawa, Masakazu Okada, Seiichi Yasumoto, Sadao Mizokawa, Hitoshi Fushimi +2 more | 1987-11-03 |
| 4604742 | Loop type data transmission system | Masahiro Takahashi, Sadao Mizokawa | 1986-08-05 |
| 4530085 | Reconfiguration control method for a loop-type data network | Masahiro Takahashi, Sadao Mizokawa, Hitoshi Fushimi, Seiichi Yasumoto | 1985-07-16 |
| 4510494 | Loop type data highway system | Sadao Mizokawa, Hiroshi Tomizawa, Hitoshi Fushimi | 1985-04-09 |
| 4432054 | Loop data transmission control method and system | Masakazu Okada, Hitoshi Fushimi, Seiichi Yasumoto | 1984-02-14 |
| 4416008 | Dual loop type data highway system | Masahiro Takahashi, Hitoshi Fushimi | 1983-11-15 |