Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8158234 | Optical recording medium | Hideharu Takeshima, Susumu Satou, Naoyuki Uchida, Katsumi Ebashi | 2012-04-17 |
| 7910192 | Optical recording medium | Hideharu Takeshima, Susumu Satou, Naoyuki Uchida, Katsumi Ebashi | 2011-03-22 |
| 7240352 | Optical recording medium having a pattern | Hideharu Takeshima | 2007-07-03 |
| 7137134 | Optical recording medium having a print receiving layer and pattern | Hideharu Takeshima | 2006-11-14 |
| 5276673 | Read-only optical disk containing a reflective layer comprising an Al alloy containing Ta | Yoshimitsu Kobayashi, Yoshiyuki Kisaka, Takashi Hashimoto, Toshifumi Kawano | 1994-01-04 |