Issued Patents All Time
Showing 25 most recent of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11975972 | Carbon material and method for producing same, electrode material for electrical storage device, and electrical storage device | Naoki SASAGAWA | 2024-05-07 |
| 10998551 | Electrode material for electricity storage devices, electrode for electricity storage devices, and electricity storage device | Yuuki Sawada, Hiroki Masuda, Akira Nakasuga, Akihiko Fujiwara | 2021-05-04 |
| 10644318 | Carbon material, carbon material-active material composite, electrode material for lithium-ion secondary battery, and lithium-ion secondary battery | Hiroki Masuda, Naoki SASAGAWA, Akira Nakasuga, Shoji Nozato | 2020-05-05 |
| 10322864 | Synthetic resin bottle | Tadayori Nakayama | 2019-06-18 |
| 9919926 | Method for producing random-structure GIC, method for producing exfoliated graphite dispersion liquid, exfoliated graphite dispersion liquid, and exfoliated graphite | Akira Nakasuga, Masahiro Toyoda | 2018-03-20 |
| 9884934 | Method for producing exfoliated graphite-polymer composite material | Akira Nakasuga, Shouji Nozato, Hiroshi Yoshitani | 2018-02-06 |
| 9688594 | Method for producing modified-graphene-like carbon material, modified-graphene-like carbon material, and resin composite material containing modified-graphene-like carbon material | Norio Tsubokawa | 2017-06-27 |
| 9346748 | Functional-group-modified carbon material, and method for producing same | Norio Tsubokawa | 2016-05-24 |
| 8559863 | Image forming unit and image forming apparatus | Takashi Gonda | 2013-10-15 |
| 8488421 | Lens cleaner and optical disc device | Asayuki Matsumura | 2013-07-16 |
| 8340559 | Fixing device and image forming apparatus | Masayoshi Kuroda, Tatsuyuki Sasaki, Haruki Iwatsuki | 2012-12-25 |
| 8299782 | Position sensor, optical head device, head moving mechanism, information recording and reproduction device and position control system | Osamu Mizuno, Hiroshi Yamamoto, Hideki Aikoh, Kanji Wakabayashi, Takatoshi Yukimasa | 2012-10-30 |
| 7366072 | Optical heads device and control method of optical head | Fumitomo Yamasaki, Hideki Aikoh | 2008-04-29 |
| 7248722 | Fingerprint identification apparatus and fingerprint identification method | — | 2007-07-24 |
| 7036134 | Optical head and method of manufacturing the same | Hideki Nakata, Hironori Tomita, Hideki Aikoh, Kenichi Miyamori | 2006-04-25 |
| 7020283 | Random number generation apparatus and random number generation method | Yoshihiro Tsukamura | 2006-03-28 |
| 6982837 | Objective lens driver | Shin Ishibashi | 2006-01-03 |
| 6941572 | Optical information recording medium and optical information recording/reproduction apparatus | Hideki Aikoh | 2005-09-06 |
| 6882803 | Method of and apparatus for determining developer level in an image forming apparatus and toner cartridge | Kenichi Ashida | 2005-04-19 |
| 6865743 | Optical head and method of manufacturing the same | Hideki Nakata, Hironori Tomita, Hideki Aikoh, Kenichi Miyamori | 2005-03-08 |
| D466119 | Machine for identifying fingerprint | Takeshi Funahashi, Keiichi Shinozaki, Yoshiyasu Kubota, Yasushi Fujita, Hitoshi Ito +1 more | 2002-11-26 |
| 6445811 | Fingerprint image processing device and fingerprint image processing method | — | 2002-09-03 |
| 6175640 | Fingerprint comparing apparatus | — | 2001-01-16 |
| 5999501 | Objective lens actuator and method for producing the same | Hironori Tomita, Satoshi Obase, Tohru Nakamura | 1999-12-07 |
| 5962070 | Substrate treating method and apparatus | Tsuyoshi Mitsuhashi, Koji Hashimoto, Naoyuki Osada | 1999-10-05 |