Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12395542 | Method for streaming multimedia based on user preferences | Makoto Kogoh, Takehiko Amano, Takumi Hongo | 2025-08-19 |
| 12114120 | Earphone housing and earphone | Yasuaki Takano, Hiroyuki AYAME, Kazuki Kashiwase, Sena Otsuka | 2024-10-08 |
| 11647325 | Headphones | — | 2023-05-09 |
| 11252494 | Earphone, cover for driver of earphone, and cover set | — | 2022-02-15 |
| 10715077 | Method of controlling motor and device of controlling motor | Ken Itou, Kohei Murota, Naoki Takahashi, Hiromichi Kawamura | 2020-07-14 |
| 7500925 | Golf club and method of designing hollow golf club head | Masahiko Miyamoto, Yoh Nishizawa | 2009-03-10 |
| 7402113 | Golf club head and golf club | Norihiko Nakahara, Hiroshi Saegusa, Yoh Nishizawa | 2008-07-22 |
| 7217199 | Hollow golf club head | Norihiko Nakahara, Shinji Yamamoto, Yoh Nishizawa | 2007-05-15 |
| 7204768 | Hollow golf club head | Norihiko Nakahara, Masahiko Miyamoto | 2007-04-17 |
| 7108612 | Hollow golf club head | Norihiko Nakahara, Masahiko Miyamoto | 2006-09-19 |
| 7037214 | Hollow golf club head | Norihiko Nakahara, Shinji Yamamoto, Yoh Nishizawa | 2006-05-02 |
| 6945876 | Hollow golf club head | Norihiko Nakahara, Masahiko Miyamoto | 2005-09-20 |
| 6929565 | Golf club head | Norihiko Nakahara, Yoh Nishizawa, Shinji Yamamoto | 2005-08-16 |