Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10254649 | Method for producing optical waveguide | Kentaro Ohmori, Hideyuki Nawata | 2019-04-09 |
| 8307143 | Interface card system | Katsuhiro Hirayama, Hiroto Yoshikawa, Yoshihiro Ueda | 2012-11-06 |
| 6987906 | Optical connection device | Kenichi Nakama, Yukinari Sekiguchi, Yoshikazu Murata, Kentarou Miyazato | 2006-01-17 |
| 5155737 | Semiconductor wavelength conversion device | Masahiro Ikeda, Hiroshi Yasaka, Mitsuru Naganuma, Shingo Uehara, Katsuhiko Kurumada | 1992-10-13 |
| 5134542 | Three-phase package-type gas-insulated switch gear having isolators being aligned in a first plane and earthing switches disposed laterally side by side on a second plane | Hiroshi Suzuyama, Minoru Sakaguchi, Yoshirou Suzuki | 1992-07-28 |
| 4888458 | Apparatus for disconnecting a switch of a high voltage electric circuit | Hiroshi Suzuyama, Minoru Sakaguchi | 1989-12-19 |