Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11495203 | Sound absorber, electronic device with sound absorbing device, and image forming apparatus with sound absorber | Masahiro Ishida, Naoki Matsuda, Hiroshi Ishii, Kohta Takenaka, Keisuke Shimizu +1 more | 2022-11-08 |
| 10665731 | Photoelectric conversion element | Yasushi Yoshikawa, Chikao Okamoto | 2020-05-26 |
| 10540953 | Sound absorber, electronic device with sound absorbing device, and image forming apparatus with sound absorber | Masahiro Ishida, Naoki Matsuda, Hiroshi Ishii, Kohta Takenaka, Keisuke Shimizu +1 more | 2020-01-21 |
| 10481545 | Image forming apparatus with multiple image bearers | — | 2019-11-19 |
| 8383930 | Solar cell and method for producing solar cell | Yoshiya Abiko, Yoshifumi Tonomura | 2013-02-26 |