Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5271620 | Golf club head | Tsuneo Akatsuka, Yoshihiro Motoki, Takashi Harada | 1993-12-21 |
| 5169583 | Method of producing resin sheet with roughened surface | Mituo Kajiwara, Ikuo Sekiguchi | 1992-12-08 |
| 5063095 | Expandable powder coating composition, method of coating a substrate with heat-insulating foam and composite material obtained thereby | Katsuji Kitagawa, Tetsuo Miyake, Katusya Sano, Kiyoshi Kittaka, Tetsuya Sakakibara | 1991-11-05 |
| 5047439 | Expandable powder coating composition, method of coating a substrate with heat-insulating foam and composite material obtained thereby | Katuya Sano, Takeshi Hasegawa, Kiyoshi Kittaka, Atushi Sakuraoka, Katsuji Kitagawa +1 more | 1991-09-10 |