Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5795995 | Leak tester and leak testing method | Kiyoshige Shimaoka | 1998-08-18 |
| 5731515 | High-pressure pump unit and test method therefor | Tsutomu Tominaga, Masayasu Miyajima, Kazuhiro Geshi, Kiyoshige Shimaoka, Tomohide Maruyama | 1998-03-24 |