Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7589861 | Image forming apparatus and printing system | — | 2009-09-15 |
| 5873338 | Spark plug for an internal combustion engine | Yoshihiro Matsubara, Tetsushi Suzuki, Kazuya Iwata | 1999-02-23 |