Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12227644 | Polyamide resin composition | Tetsuya Yasui, Akane Sakamoto, Yuki Suedomi, Kosuke Oishi, Takashi Kumagai +1 more | 2025-02-18 |
| 11619868 | Projection device | Yasuhiro Katsumata, Yusuke Sugiura, Katsuyoshi Itahana, Kohji Matsuura, Yu Kobayashi +1 more | 2023-04-04 |
| 11244782 | Amorphous alloy magnetic core | Kengo Takahashi, Daichi Azuma | 2022-02-08 |
| 10283265 | Method of manufacturing amorphous alloy magnetic core | Kengo Takahashi, Daichi Azuma | 2019-05-07 |
| 10269476 | Method of manufacturing an amorphous alloy magnetic core | Kengo Takahashi, Daichi Azuma | 2019-04-23 |
| 9724573 | Golf clubs and golf club heads | Hiroshi Kawaguchi, Michael Kelly, Tsuneo Takano | 2017-08-08 |
| 8632420 | Golf clubs and golf club heads | Hiroshi Kawaguchi, Michael Kelly, Tsuneo Takano | 2014-01-21 |
| 8110060 | Golf clubs and golf club heads | Hiroshi Kawaguchi, Michael Kelly, Tsuneo Takano | 2012-02-07 |
| 7775903 | Golf clubs and golf club heads | Hiroshi Kawaguchi, Michael F. Kelly, Tsuneo Takano | 2010-08-17 |
| 7258625 | Golf clubs and golf club heads | Hiroshi Kawaguchi, Michael F. Kelly, Tsuneo Takano | 2007-08-21 |
| 6409606 | Power transmission shaft | Tatsuo Nakajima, Tsuneo Takano | 2002-06-25 |
| 6354963 | Golf club head | Hidehiro Takemoto, Takumi Ishimori, Kiharu Numata, Tsuneo Takano | 2002-03-12 |
| 6287209 | Propeller shaft and method of producing the same | Tatsuo Nakajima, Yukihiro Watanabe, Kazuhiko Yoshida, Tsuneo Takano | 2001-09-11 |
| 6190443 | Polishing composition | Keigo Ohashi, Noritaka Yokomichi | 2001-02-20 |
| 6117220 | Polishing composition and rinsing composition | Toshiki Owaki, Katsumi Tani, Noritaka Yokomichi, Takashi Tokuue, Norio Fujioka +1 more | 2000-09-12 |
| 6027554 | Polishing composition | Satoshi Suzumura, Noritaka Yokomichi, Shirou Miura, Hideki Otake, Atsunori Kawamura +1 more | 2000-02-22 |
| 5997620 | Polishing composition | Hideki Otake, Keigo Ohashi | 1999-12-07 |
| 5733819 | Polishing composition | Satoshi Suzumura, Noritaka Yokomichi, Shirou Miura, Hideki Otake, Atsunori Kawamura +1 more | 1998-03-31 |
| 5575837 | Polishing composition | Shoji Iwasa | 1996-11-19 |
| 5115168 | Power supply for microwave discharge light source | Isao Shoda, Kazuo Magome, Akihiko Iwata, Kenji Yoshizawa, Masakazu Taki | 1992-05-19 |
| 5061533 | Roll formed of carbon fiber composite material | Takeo Gomi | 1991-10-29 |
| 5053682 | Power supply for microwave discharge light source | Isao Shoda, Kazuo Magome, Akihiko Iwata, Kenji Yoshizawa | 1991-10-01 |
| 5018915 | Spindles of machine tools | Takahiko Inokuma, Sadamu Baba, Shoji Imao, Takeo Gomi | 1991-05-28 |
| 4988922 | Power supply for microwave discharge light source | Isao Shoda, Kazuo Magome, Akihiko Iwata, Kenji Yoshizawa, Masakazu Taki | 1991-01-29 |
| RE32626 | Microwave generated plasma light source apparatus | Kenji Yoshizawa, Yoshibumi Minowa, Hiroshi Ito, Hirotsugu Komura | 1988-03-22 |