Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8968484 | Lifting and drying device and method of manufacturing magnetic recording medium substrate or magnetic recording medium using the same | Ryuji Sakaguchi, Ryo Tanaka | 2015-03-03 |
| 7827195 | Document management device and document management method | Naoya Uematsu, Toshinobu Kano | 2010-11-02 |
| 4834863 | Oxygen sensor having a heater | Toshio Yamada | 1989-05-30 |
| 4717464 | Oxygen sensor | Takao Murase, Shuichiro Oki | 1988-01-05 |