Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6521161 | Method for manufacturing a golf ball | Takayuki Tanaka, Hiroaki Tanaka, Hiroshi Hirata | 2003-02-18 |
| 6502389 | Air-fuel ratio control system for internal combustion engine and control method therof | Akihiro Katayama, Toshinari Nagai, Akira Kamoto, Naoto Kato, Shinji Kojima | 2003-01-07 |