Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D336638 | Portable computer | Shinji Shibuya, Shunji Fujimori, Nobuo Fukuda, Kazuyuki Fukushima | 1993-06-22 |
| D317302 | Portable computer | Shinji Shibuya, Nobuo Fukuda, Yoshihiro Kawakatsu, Masaaki Eishima | 1991-06-04 |
| D307740 | Programmable controller | Masato Shibayama, Kazuyuki Tsuburaya, Takayuki Oshiga, Katsuhiro Fujiwara | 1990-05-08 |
| D294029 | Portable computer | Kazuhiko Nishiyama, Kazuyuki Hukushima | 1988-02-02 |
| D276433 | Computer display | Hideki Takayama, Takeshi Abe, Tsuneo Hisa, Shuichi Hara | 1984-11-20 |