Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8016671 | Game apparatus and storage medium storing game program | Masao Yamamoto | 2011-09-13 |
| D613801 | Portion of a communication cartridge for an electronic game machine | Masaki Amano | 2010-04-13 |
| D608397 | Communication cartridge for electronic game machine | Masaki Amano | 2010-01-19 |
| D602096 | Attachment for controller | Kenichiro Ashida, Junji Takamoto, Masato Ibuki, Daisuke Kumazaki | 2009-10-13 |
| 7499284 | Hand-held game machine and cover | Tomoyuki Sakiyama | 2009-03-03 |
| 7470192 | Game apparatus and storage medium storing game program | Masao Yamamoto | 2008-12-30 |
| D568884 | Hand-held electronic game machine | Tomoyuki Sakiyama | 2008-05-13 |
| D556759 | Hand-held electronic game machine | Tomoyuki Sakiyama | 2007-12-04 |
| D554195 | Wireless transceiver for hand-held electronic game machine | Masato Ibuki | 2007-10-30 |
| D553567 | Cable connector plug for hand-held electronic game machine | — | 2007-10-23 |
| D550159 | Connector plug | — | 2007-09-04 |
| D540396 | Cover for hand-held electronic game machine | Tomoyuki Sakiyama | 2007-04-10 |
| 7193165 | Operation device for game machine and hand-held game machine | Tomoyuki Sakiyama | 2007-03-20 |
| D532829 | Cover for hand-held electronic game machine | Tomoyuki Sakiyama | 2006-11-28 |
| D476660 | Cartridge for game machine | Hirokazu Tanaka, Tsushima Takada | 2003-07-01 |
| D468743 | Information storage cartridge for electronic game machine | Tsushima Takada | 2003-01-14 |
| D459300 | Power source connection adapter | Tsushima Takada, Kazuo Yoneyama | 2002-06-25 |
| D456008 | Power source adapter | Tsushima Takada, Kazuo Yoneyama | 2002-04-23 |