Issued Patents All Time
Showing 25 most recent of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12420532 | Electrophotographic member and electrophotographic image forming apparatus | Atsushi Hori, Haruki Mori, Shota Inoue, Masayuki Onuma, Yusuke Baba +1 more | 2025-09-23 |
| 12218480 | Semiconductor optical amplifier integrated laser | Atsushi Nakamura, Masatoshi Arasawa, Tetsuya Nishida, Yasushi Sakuma, Shigetaka Hamada +1 more | 2025-02-04 |
| 12019381 | Electrophotographic member and electrophotographic image-forming apparatus | Yusuke Baba, Masaaki Takahashi, Masahiro Takenaga, Takeshi Suzuki, Masayuki Onuma | 2024-06-25 |
| 11556082 | Intermediary transfer belt, manufacturing method of the intermediary transfer belt, and image forming apparatus | Ryosuke Tsuruga, Toshiyuki Yoshida, Jun Ohira, Akeshi Asaka, Hiroto Sugimoto +11 more | 2023-01-17 |
| 11552448 | Semiconductor optical amplifier integrated laser | Atsushi Nakamura, Masatoshi Arasawa, Tetsuya Nishida, Yasushi Sakuma, Shigetaka Hamada +1 more | 2023-01-10 |
| 11329450 | Electro-absorption optical modulator and manufacturing method thereof | Atsushi Nakamura, Takeshi Kitatani, Shigenori Hayakawa | 2022-05-10 |
| 11281128 | Electrophotographic belt and electrophotographic image forming apparatus using the electrophotographic belt | Naoto Kameyama, Atsushi Hori | 2022-03-22 |
| 11188011 | Electrophotographic belt and electrophotographic image forming apparatus | Atsushi Hori, Naoto Kameyama | 2021-11-30 |
| 10768557 | Intermediary transfer belt and image forming apparatus | Kazuhisa Shirayama, Ryosuke Tsuruga, Yasutomo Tsuji | 2020-09-08 |
| 10312665 | Optical semiconductor device, optical subassembly, and optical module | Takeshi Kitatani, Kouji Nakahara | 2019-06-04 |
| 9012927 | Display device | Shigeru Kido, Manabu Otsuka, Nobuhiko Sato | 2015-04-21 |
| 8860301 | Dimming method of organic EL displaying apparatus and organic EL displaying apparatus | Junya Tamaki, Takashi Moriyama, Nobuhiko Sato, Yasushi Iwakura, Masahiro Fushimi | 2014-10-14 |
| 8643570 | Active matrix organic electroluminescence display and its gradation control method | Tadahiko Hirai, Jun Sumioka | 2014-02-04 |
| 8488918 | Semiconductor optical device, optical transmitter module, optical transceiver module, and optical transmission equipment | Seiji Sumi, Shigenori Hayakawa, Shunya YAMAUCHI, Yasushi Sakuma | 2013-07-16 |
| 8395613 | Display apparatus and driving method thereof | Jun Sumioka, Tadahiko Hirai | 2013-03-12 |
| 8228271 | Active-matrix display and drive method thereof | Tadahiko Hirai, Jun Sumioka | 2012-07-24 |
| 8179343 | Display apparatus and driving method of display apparatus | Jun Sumioka, Tadahiko Hirai | 2012-05-15 |
| 7858806 | Crystal form of 5-hydroxy-1-methylhydantoin | Naoharu Nishimura, Akira Ishii | 2010-12-28 |
| 7855093 | Semiconductor laser device and method of manufacturing the same | Ryu Washino, Kazuhiro Komatsu, Yasushi Sakuma | 2010-12-21 |
| 7848200 | Method and apparatus of reproducing multilevel information | Jun Sumioka, Masakuni Yamamoto | 2010-12-07 |
| 7808873 | Optical information reproducing method | Jun Sumioka, Masakuni Yamamoto | 2010-10-05 |
| 7808874 | Optical information reproducing method | Jun Sumioka, Masakuni Yamamoto | 2010-10-05 |
| 7804754 | Optical information recording/reproducing method | Masakuni Yamamoto, Jun Sumioka | 2010-09-28 |
| 7778133 | Optical Information recording/reproducing apparatus | Jun Sumioka, Masakuni Yamamoto | 2010-08-17 |
| 7738338 | Optical information reproducing method | Jun Sumioka, Masakuni Yamamoto | 2010-06-15 |