Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5776656 | Optical recording medium | Masahiro Shinkai, Sumiko Kitagawa, Kenryo Namba, Atsushi Monden, Takahiko Suzuki | 1998-07-07 |
| 5546802 | Humidity sensor and method for making | Shin-ichi Tezuka | 1996-08-20 |