Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9446755 | Steering system | — | 2016-09-20 |
| 7328596 | Steering lock | Hiroyasu Hasegawa, Masanari Okuno, Takeshi Murakami | 2008-02-12 |
| 7234328 | Steering lock device | Masanari Okuno, Takeshi Murakami | 2007-06-26 |
| 7077830 | Medical syringe needle | Yoshio Higaki, Kenji Yashiro, Toshio Tochiyama | 2006-07-18 |
| 6019752 | Fluid vessel | Seizo Sunago, Akira Kagayama, Osamu Takahata, Hitoshi Futagawa, Tomohiko Kubo | 2000-02-01 |
| 5899889 | Prefilled syringe | Hitoshi Futagawa, Masafumi Aramata, Toshikazu Hirayama, Yohji Arifuku | 1999-05-04 |
| 5826713 | Fluid vessel | Seizo Sunago, Osamu Takahata, Akira Kagayama, Hitoshi Futagawa, Tetsuji Miyamoto | 1998-10-27 |
| 5827233 | Prefilled syringe | Hitoshi Futagawa, Masafumi Aramata, Toshikazu Hirayama, Yohji Arifuku | 1998-10-27 |