Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11374261 | Electrochemical device and solid-state lithium ion rechargeable battery | Masahiro Oishi, Hiroshi Sato, Hiroko Takayanagi, Gakuho Isomichi | 2022-06-28 |
| 11342579 | All-solid-state lithium ion secondary battery having moisture-proof layer containing polymer compound and metal compound particles | Hiroaki Takahata, Masayuki Muroi, Tetsuya Ueno | 2022-05-24 |
| 7297472 | Processing method for photoresist master, production method for recording medium-use mater, production method for recording medium, photoresist master, recording medium-use master and recording medium | Tatsuya Kato, Hajime Utsunomiya, Masanori Shibahara, Kenji Yoneyama | 2007-11-20 |
| 7204188 | Method of manufacturing stamper for manufacturing information medium, stamper, and photoresist master | Hiroaki Takahata, Kenji Yoneyama, Yuuichi Kawaguchi | 2007-04-17 |
| 6835435 | Stamper, mold system, recording medium substrate, recording medium, optical disc substrate, optical disc, and method for producing stamper | Yuuichi Kawaguchi, Kenji Yamaga, Hiroaki Takahata, Yoshimi Sakai | 2004-12-28 |
| 6815029 | Stamper, mold system, recording medium substrate, recording medium, optical disc substrate, optical disc, and method for producing stamper | Yuuichi Kawaguchi, Kenji Yamaga, Hiroaki Takahata, Yoshimi Sakai | 2004-11-09 |
| 6704274 | Optical recording disc | Hiroaki Takahata | 2004-03-09 |
| 6562550 | Preparation of optical disk master | Hiroaki Takahata | 2003-05-13 |
| 6498777 | Optical recording medium having a land height ratio | Hiroaki Takahata | 2002-12-24 |