Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8293326 | Spin-coating method, determination method for spin-coating condition and mask blank | Hideo Kobayashi | 2012-10-23 |
| 7674561 | Mask blanks and method of producing the same | Hideo Kobayashi | 2010-03-09 |
| 7195845 | Spin-coating method, determination method for spin-coating condition and mask blank | Hideo Kobayashi | 2007-03-27 |
| 5878016 | Disk changer | Nobuyuki Kubokawa, Ichiro Sakuma | 1999-03-02 |
| 5452160 | Mode switching transmitting mechanism for a tape player | Ichiro Sakuma, Chang-Jong Oh, Ken Yakame | 1995-09-19 |