Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7526175 | Feedthrough of submarine repeater and submarine repeater | — | 2009-04-28 |
| 6703245 | Oxygen detecting composition | Haruo Inoue, Ken SUGITO | 2004-03-09 |
| H1787 | Regeneration method of working solution | Kazuharu Ogasawara, Tomio Kato, Kazuyuki Minato, Kenji Kato | 1999-02-02 |
| 5446392 | Submarine equipment and fault locating method for a submarine communication system | Yoshiyuki Inoue | 1995-08-29 |
| 5278853 | Optical isolator | Kazushi Shirai, Norio Takeda, Mitsuzo Arii | 1994-01-11 |