Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5603667 | Golf club head | Hiroshi Ezaki, Hidekimi Inoue, Hirato Shimasaki, Masaomi Hiruta, Hideyuki Ishii | 1997-02-18 |
| 5386996 | Golf club head | Masaomi Hiruta, Ikuo Aoki, Hirato Shimasaki, Hiroshi Ezaki, Hideyuki Ishii +1 more | 1995-02-07 |
| 4713686 | High speed instantaneous multi-image recorder | Haruhiko Ozaki, Tadatoshi Yamada, Kunio Machida, Kiyoshi Ohno, Hirato Shimazaki +1 more | 1987-12-15 |