Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6635683 | Film responsive to bicarbonate ion | Hiroaki Taira, Kazuya Ibaragi, Hiroyuki Yanagi | 2003-10-21 |
| 6528003 | Manufacturing apparatus and method for golf ball | Hideki Sano, Takayuki Saimen, Hiroaki Tanaka | 2003-03-04 |