Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6649731 | Catalysts for polyester production, process for producing polyester, and polyester | Hideshi Hori, Fujito Ehara, Nobumasa Mukai, Shoji Hiraoka | 2003-11-18 |
| 6591880 | Pneumatic tire including zig-zag circumferential fine grooves | Hiroyuki Matsumoto, Ken Masaoka | 2003-07-15 |