Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6609491 | Multi-cylinder engine and engine auxiliary parts mounting construction | Kenji Itoh, Masayoshi Mori | 2003-08-26 |
| 5402583 | Tape measure | — | 1995-04-04 |
| 4890392 | Digital tape measure | Kunio Hirai, Tatsuaki Nakai, Kazuyoshi Okumura, Nobuyuki Yamamoto | 1990-01-02 |