Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1030538 | Watch case | Ryo Amikura, Hideki Watanabe | 2024-06-11 |
| D1015915 | Watch case | Rei Morisawa, Takashi Yatabe | 2024-02-27 |
| D1015189 | Watch case | Keishiro Yamamoto | 2024-02-20 |
| D952486 | Wearable activity tracker | Yoichi Katano | 2022-05-24 |
| D952495 | Watch case | Keishiro Yamamoto | 2022-05-24 |
| D938417 | Wearable information terminal | Keishiro Yamamoto | 2021-12-14 |
| D936051 | Wearable information terminal | Keishiro Yamamoto | 2021-11-16 |
| D927326 | Wearable information terminal | — | 2021-08-10 |
| D924076 | Watch case | — | 2021-07-06 |
| D923491 | Watch case | Keishiro Yamamoto | 2021-06-29 |
| D912541 | Watch case | — | 2021-03-09 |
| D899272 | Watch case | — | 2020-10-20 |
| 10139783 | Hand device, electronic timepiece, hand driving method of electronic timepiece and recording medium | Koichi Matsuzawa, Takaomi Yonekura, Keishirou Yamamoto | 2018-11-27 |
| D807201 | Wrist watch | — | 2018-01-09 |
| D742763 | Wrist watch | Takayasu Akagi | 2015-11-10 |
| D680990 | Portable wireless telephone | Katsuhiro Nara | 2013-04-30 |
| D572300 | Electronic keyboard musical instrument | — | 2008-07-01 |
| D562874 | Projector | Kazuhito Sakaguchi | 2008-02-26 |
| D562872 | Projector | Kazuhito Sakaguchi | 2008-02-26 |
| D557328 | Electronic keyboard musical instrument | Kenichi Miyashita, Yukihiko Ida | 2007-12-11 |
| D555711 | Electronic keyboard musical instrument | Naoya Nishizawa | 2007-11-20 |
| D554693 | Electronic keyboard musical instrument | Naoki Kuramochi | 2007-11-06 |
| D490833 | Digital camera | Kazuhito Sakaguchi | 2004-06-01 |