Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4988194 | Optical storage inspection unit calibration disk | Shigeji Hara, Takashi Yoshizawa, Kanae Kinoshita, Masahiko Sakamoto, Youji Suzuki | 1991-01-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4988194 | Optical storage inspection unit calibration disk | Shigeji Hara, Takashi Yoshizawa, Kanae Kinoshita, Masahiko Sakamoto, Youji Suzuki | 1991-01-29 |