Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12313164 | Sealing device | — | 2025-05-27 |
| 11933252 | Sealing device | — | 2024-03-19 |
| 11373334 | Camera setting assist system and camera setting assist method | Tsutomu Onoue, Akihiro Akiyama | 2022-06-28 |
| 9291271 | Seal ring | — | 2016-03-22 |
| 8573112 | High-pressure fuel pump and seal system for high-pressure fuel pump | Junichi Nakayama, Tamio Inamura, Kokichi Hamamoto, Hiroshi Inoue | 2013-11-05 |
| 8123229 | Lip type seal | — | 2012-02-28 |
| 7766339 | Seal ring | Kyohei Umetsu | 2010-08-03 |
| 7722051 | Seal ring | Kyohei Umetsu | 2010-05-25 |
| 7654536 | Seal ring | Kyohei Umetsu | 2010-02-02 |
| 7341256 | Seal ring | Shinya Nakaoka, Naohiro Jotaki, Takaaki Yasudomi | 2008-03-11 |