Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7163162 | Fuel-injection valve | Masahiro Tsuchiya, Yoshio Okamoto, Tohru Ishikawa, Noriyuki Maekawa, Yoshiyuki Tanabe +4 more | 2007-01-16 |
| 6474572 | Fuel-injection valve | Masahiro Tsuchiya, Yoshio Okamoto, Tohru Ishikawa, Noriyuki Maekawa, Yoshiyuki Tanabe +4 more | 2002-11-05 |
| 5400668 | Superconducting magnet magnetically levitated transportation apparatus | Toshio Hattori, Hiroshi Aoyama, Saburo Usami, Toshio Ishizuki, Shigeru Sakamoto +4 more | 1995-03-28 |