Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6422844 | Screw compressor | Shigekazu Nozawa | 2002-07-23 |
| 6118647 | Electronic part and method for producing the same | Hideyuki Okinaka, Gen Itakura | 2000-09-12 |
| 4961178 | Method of erasable recording and reading of information | Shunsuke Matsuda, Masaaki Ueda | 1990-10-02 |