Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4766590 | Loop transmission system having plural stations connected in a variable order | Takuji Hamada, Masahiro Takahashi, Kotaro Hirasawa, Jushi Ide, 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, Ken Onuki +2 more | 1987-11-03 |
| 4530085 | Reconfiguration control method for a loop-type data network | Takuji Hamada, Masahiro Takahashi, Sadao Mizokawa, Seiichi Yasumoto | 1985-07-16 |
| 4510494 | Loop type data highway system | Sadao Mizokawa, Takuji Hamada, Hiroshi Tomizawa | 1985-04-09 |
| 4432054 | Loop data transmission control method and system | Masakazu Okada, Seiichi Yasumoto, Takuji Hamada | 1984-02-14 |
| 4416008 | Dual loop type data highway system | Masahiro Takahashi, Takuji Hamada | 1983-11-15 |
| 4410985 | Data transmission system and method | Seiichi Yasumoto, Jushi Ide, Masakazu Okada | 1983-10-18 |
| 4401365 | Rotary type optical switch | Sadao Mizokawa, Yoshiji Ito, Yasuo Hosoda, Hiroshi Kaita, Tadaaki Okada +4 more | 1983-08-30 |