Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11798810 | Resist underlayer film-forming composition containing amide solvent | Hikaru TOKUNAGA, Keisuke Hashimoto, Rikimaru Sakamoto | 2023-10-24 |
| 10053365 | Graphitization furnace, system, and graphitization method | Daniel Pascazio, Steve Shary, Earl Schultz, David Whichard, Bill Milfelt +2 more | 2018-08-21 |
| 9036008 | Image display device | Takayuki Kimoto | 2015-05-19 |
| 7867520 | Flavor improving agent | Kenji Ikeda, Shuzo Tashiro, Katsuhiko Sato | 2011-01-11 |
| 7835069 | WDM optical amplifier with heat radiation from laser source to amplification medium | — | 2010-11-16 |
| 7748854 | Image display device | Shingo Sugino, Tetsuro Shiota, Shigeaki Yamano | 2010-07-06 |
| 7088058 | Image display | Tetsuro Shiota, Toshiyuki Noguchi | 2006-08-08 |
| 6914788 | Power supply apparatus | Toshikazu Fujiyoshi, Kenji Morimoto | 2005-07-05 |
| 6704137 | Optical amplifier, method for optical amplification and optical transmission system | — | 2004-03-09 |
| 6173125 | Apparatus for reading magnetic information | Kenji Mizumoto, Toshihito Kido | 2001-01-09 |
| 6055382 | Apparatus having a judging device whether a film frame is exposed or not | Kenji Mizumoto | 2000-04-25 |
| 6047135 | Driving mechanism for keeping feedback cycle constant, apparatus with the mechanism, and its control method | — | 2000-04-04 |
| 5943512 | Apparatus equipment with position detecting device | Akira Kosaka | 1999-08-24 |
| 5930122 | Inverter and DC power supply apparatus with inverter used therein | Haruo Moriguchi, Toru Arai, Toshikazu Fujiyoshi, Masayuki Ono, Hideo Ishii | 1999-07-27 |
| 5926381 | DC power supply apparatus | Haruo Moriguchi, Toru Arai, Toshikazu Fujiyoshi, Masayuki Ono, Hideo Ishii | 1999-07-20 |
| 5923463 | Optical amplifier and method for controlling the same | — | 1999-07-13 |
| 5765064 | Camera using film with magnetic track | Kenji Mizumoto, Yasuaki Serita | 1998-06-09 |
| 5727240 | Device for judging an unexposed frame of a film | Kenji Mizumoto | 1998-03-10 |
| 5703711 | In-line optical amplifier | — | 1997-12-30 |
| 5671456 | System for providing an accurate indication whether film is exposed or unexposed, independent of battery voltage | Kenji Tsuji, Toshihito Kido | 1997-09-23 |
| 5668658 | Transfer of repeater information signals in in-line optical amplifier repeater system | — | 1997-09-16 |
| 5649455 | Vehicle steering wheel | Toshifumi Tsuchihashi, Kunio Ohya | 1997-07-22 |
| 5129358 | Magnetic roller for use in a developing device | Hisashi Myochin, Yoshinori Inoue, Shinya Sakanashi, Masao Shimizu | 1992-07-14 |
| 4421152 | Apparatus for precision casting | Tsutomu Shinkawa, Akihide Yoshino, Hitoshi Konishi, Yoshiaki Komuro, Saburo Okumura | 1983-12-20 |