Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5136673 | Optical cable and its manufacturing method | Nobuyuki Yoshizawa, Tsuneo Horiguchi, Tetsuro Yabuta, Toshio Kurashima, Hidenobu Tada | 1992-08-04 |
| 4878933 | Apparatus for fusion splicing optical fibers | Takeshi Yamada, Yasukuni Osato, Okosu Watanabe, Masao Suzuki, Osamu Kawata | 1989-11-07 |
| 4708433 | Optical connector and method of manufacturing a pair of ferrules therefor | Toshiaki Kakii, Koichiro Matsuno, Shuzo Suzuki, Fumihiro Ashiya | 1987-11-24 |
| 4684213 | Submarine optical fiber cable with dam means | Yasuji Murakami, Nobuyuki Yoshizawa, Kiyoshi Funaki | 1987-08-04 |