Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11744070 | Semiconductor memory device | Kenji Tashiro, Hidenori Miyagawa, Reiko Kitamura | 2023-08-29 |
| 11114503 | Memory device | Akihiro Kajita, Masumi Saitoh | 2021-09-07 |
| 10644068 | Memory device | Akihiro Kajita, Masumi Saitoh | 2020-05-05 |
| 8223619 | Optical recording medium, reproduction apparatus, and tracking servo method | Kunihiro Shioura, Shiro Morotomi, Minoru Tobita, Atsushi Umezawa | 2012-07-17 |
| 6141425 | Sound quality adjustment circuit | Kazuo Murayama | 2000-10-31 |
| 5805559 | Optical recording or reproducing apparatus | Tsukasa Wadamori | 1998-09-08 |