Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8277336 | Golf club head and method for manufacturing the same | — | 2012-10-02 |
| 8267467 | Reinforcement for cab in construction machine | Tetsuji Takaoka, Eiji Akahane, Kazushige Tasaki, Masayoshi Nakajima, Teruyuki Yamada +1 more | 2012-09-18 |
| 8214992 | Method for manufacturing golf club head | — | 2012-07-10 |
| 8075421 | Golf club head | — | 2011-12-13 |
| 7993214 | Golf club head | — | 2011-08-09 |
| 7939330 | Fluorescent probe | Tetsuo Nagano, Eita SASAKI, Hirotatsu Kojima, Kazuya Kikuchi | 2011-05-10 |
| 7922237 | Guide-rail structure of front window in working vehicle | Eiji Akahane, Kazushige Tasaki, Masayoshi Nakajima, Tetsuji Takaoka, Teruyuki Yamada +1 more | 2011-04-12 |
| 7887436 | Wood-type golf club head | — | 2011-02-15 |
| 7775904 | Wood-type golf club head | — | 2010-08-17 |
| 7775907 | Method for manufacturing golf club head | — | 2010-08-17 |
| 7696245 | Fluorescent probe for zinc | Kensuke KOMATSU, Kazuya Kikuchi, Tetsuo Nagano | 2010-04-13 |
| 7658687 | Wood-type golf club head | — | 2010-02-09 |
| 7618331 | Golf club head | — | 2009-11-17 |
| 7559853 | Golf club head and method for manufacturing the same | — | 2009-07-14 |
| 7479070 | Golf club head and method for manufacturing the same | — | 2009-01-20 |
| RE40572 | Fluorescent probe for the quantitation of zinc | Tetsuo Nagano, Kazuya Kikuchi | 2008-11-11 |
| 7435189 | Iron-type golf club head | — | 2008-10-14 |
| 7396297 | Golf club head | — | 2008-07-08 |
| 7220190 | Golf club head | — | 2007-05-22 |
| 7144337 | Iron type golf club head | — | 2006-12-05 |
| 7074823 | Fluorescent probe for zinc | Tetsuo Nagano, Kazuya Kikuchi | 2006-07-11 |
| 6903226 | Fluorescent probe for the quantitation of zinc | Tetsuo Nagano, Kazuya Kikuchi | 2005-06-07 |