Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D706865 | Electronic calculator | Mitsuaki Kumagai, Noboru Ishii, Toshikazu Minegishi, Yoshiaki Kasai, Ichiro Yamamoto +9 more | 2014-06-10 |
| D680108 | Electronic computer with display unit | Mitsuaki Kumagai, Noboru Ishii, Toshikazu Minegishi, Yoshiaki Kasai, Ichiro Yamamoto +9 more | 2013-04-16 |
| 7510428 | Charging communication-adaptor for mobile device | Yuji Shimoda | 2009-03-31 |
| 7384302 | Charging communication-adaptor for mobile device | Yuji Shimoda | 2008-06-10 |
| 7165724 | Portable terminal | Yuji Shimoda, Takashi Matsunuma | 2007-01-23 |
| 6290529 | Adapter for terminal unit | Shinichiro Tsurumaru, Mitsuaki Kumagai, Toshiyuki Kobayashi, Toshikazu Minegishi | 2001-09-18 |
| 6189938 | Locking structure for covering element | Fumio Nakadaira, Mitsuaki Kumagai, Toshiyuki Kobayashi | 2001-02-20 |
| 6163268 | Information processing system using portable terminal unit and data communication adapter therefor | Mitsuaki Kumagai, Akihiko Iura, Akio Murata, Shinji Yamamoto, Makoto Sato +7 more | 2000-12-19 |
| 5983290 | Information processing system using portable terminal unit and data communication adapter therefor | Mitsuaki Kumagai, Akihiko Iura, Akio Murata, Shinji Yamamoto, Makoto Sato +7 more | 1999-11-09 |
| 5960208 | Data communication adapter for selectively supplying power to a communication control circuit or a portable terminal unit | Mitsuaki Kumagai, Akihiko Iura, Akio Murata, Shinji Yamamoto, Makoto Sato +7 more | 1999-09-28 |
| 5854737 | Information processing system using portable terminal unit and data communication adapter having biased connector | Mitsuaki Kumagai, Akihiko Iura, Akio Murata, Shinji Yamamoto, Makoto Sato +7 more | 1998-12-29 |
| 5661634 | Information processing system using portable terminal unit and data communication adapter therefor | Mitsuaki Kumagai, Akihiko Iura, Akio Murata, Shinji Yamamoto, Makoto Sato +7 more | 1997-08-26 |