Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7758948 | Laminate support | Shigenobu Suzuki, Takashi Kikuchi, Hironori Hamazaki | 2010-07-20 |
| 5353559 | Anti-earthquake bearing apparatus | Keizo Tatsunami, Koji Ishii, Atsuhiko Yasaka, Masao Iizuka, Jun Tagami | 1994-10-11 |
| 4848969 | Marine fender | Hitoshi Akiyama | 1989-07-18 |