Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D522962 | Automobile tire | Masahiro Ishida, Hirohisa Hazama, Hiroshi Tokizaki, Izumi Kuramochi | 2006-06-13 |
| D512014 | Automobile tire | Masahiro Ishida, Hirohisa Hazama, Hiroshi Tokizaki, Izumi Kuramochi | 2005-11-29 |
| D489317 | Automobile tire | Kenji Yamane, Hirohisa Hazama, Izumi Kuramochi | 2004-05-04 |