Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6917118 | Semiconductor device | Kouji Omori, Toshiyuki Nakazawa, Seishi Oida, Takashi Ogawa, Shigeki Sakaguchi | 2005-07-12 |
| 5759104 | Connector and adapter utilizing connector | Yutaka Shirae, Masahiko Ota | 1998-06-02 |
| 5537389 | Disk cartridge having a single closing energizer for closing two independently opened shutters | Tadahiro Kuwa, Makoto Miura, Tamotsu Iida, Yoshitane Tsuburaya, Yoshitake Kato +3 more | 1996-07-16 |
| RE34161 | Memory cartridge and information processor unit using such cartridge | Katsuya Nakagawa | 1993-01-12 |
| D312081 | Cartridge for game machine | — | 1990-11-13 |
| 4922420 | Video game software selection data processing system | Katsuya Nakagawa, Kunihiro Tanaka, Masaki Nomura | 1990-05-01 |
| 4865321 | Memory cartridge and information processor unit using such cartridge | Katsuya Nakagawa | 1989-09-12 |
| D299726 | Video game control unit | — | 1989-02-07 |
| 4763300 | Front loading apparatus for a memory cartridge utilized for a data processing machine | — | 1988-08-09 |
| D294020 | Cartridge for game machine | — | 1988-02-02 |
| D292399 | Cartridge for game machine | — | 1987-10-20 |