Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10912969 | Golf club head | Kiyofumi Matsunaga, Yuki MOTOKAWA | 2021-02-09 |
| 10898770 | Golf club head | Kiyofumi Matsunaga, Yuki MOTOKAWA | 2021-01-26 |
| 10864411 | Golf club | Naoyoshi Ueda, Masahiko Ueda, Takashi Nakamura, Seiji Hayase, Wataru Kimizuka | 2020-12-15 |
| 10639525 | Golf club set | Naoyoshi Ueda, Masahiko Ueda, Shimpei OYAMA, Yuki Nagano, Satoru HANAMITSU +3 more | 2020-05-05 |
| 10478682 | Golf club set | Naoyoshi Ueda, Masahiko Ueda, Shimpei OYAMA, Takashi Nakamura, Tomoya Hirano | 2019-11-19 |
| 10029157 | Golf club head | Takahiro Norimura, Daisuke KOHNO | 2018-07-24 |
| 9795841 | Golf club | Naoyoshi Ueda, Masahiko Ueda, Takashi Nakamura, Seiji Hayase, Wataru Kimizuka | 2017-10-24 |
| 9776055 | Golf club | Naoyoshi Ueda, Masahiko Ueda, Takashi Nakamura, Seiji Hayase, Wataru Kimizuka | 2017-10-03 |
| 9586107 | Golf club | Naoyoshi Ueda, Masahiko Ueda, Takashi Nakamura, Seiji Hayase, Wataru Kimizuka | 2017-03-07 |
| 9468820 | Golf club head | — | 2016-10-18 |
| 9079083 | Golf club | Hiroshi Hasegawa, Takashi Nakano | 2015-07-14 |
| 8979666 | Golf club shaft | Hiroshi Hasegawa, Takashi Nakano | 2015-03-17 |
| 8961335 | Golf club head | — | 2015-02-24 |
| 8864603 | Golf club head | Tomio Kumamoto, Takashi Nakano | 2014-10-21 |
| 8801542 | Golf club | — | 2014-08-12 |
| 8562456 | Golf club head | — | 2013-10-22 |
| 8186889 | Optical connecting member and display apparatus | Hiroshi Masuda, Atsushi Takahashi, Tomoaki Shibata | 2012-05-29 |
| 8179361 | Reflector and backlight device | Teruo Teshima | 2012-05-15 |
| 8096693 | Light guide plate and backlight unit | Masato Taya, Tokutarou Komatsu, Tadashi Okuda, Teruo Teshima | 2012-01-17 |
| 7889310 | Method for producing apertures in a diffuse reflector layer having a metal reflection film | Takehisa Yoshikawa, Masayuki Kyoi, Masato Taya, Takeshi Yoshida | 2011-02-15 |
| 7789769 | Golf club | — | 2010-09-07 |
| 7768685 | Hologram optical element and surface light source device using the hologram optical element | Tetsuya Hoshino | 2010-08-03 |
| 7762909 | Hollow metal golf club head and method for manufacturing the same | — | 2010-07-27 |
| 7699719 | Golf club head | — | 2010-04-20 |
| 7672051 | Optical film and surface light source using it | Tetsuya Hoshino, Teruo Teshima, Tomo Dobashi | 2010-03-02 |