Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12245446 | Semiconductor device having quantum dots, display device, imaging system, and moving body | Takayuki Sumida, Takahiro Yajima, Tomona Yamaguchi | 2025-03-04 |
| 11631776 | Photoelectric conversion element | Youichi Fukaya, Takayuki Sumida | 2023-04-18 |
| 11476306 | Semiconductor apparatus, photodetection system, light emitting system, and moving body | Takahiro Yajima, Takayuki Sumida | 2022-10-18 |
| 11374189 | Quantum dot, photoelectric conversion element including the same, light receiving element, photoelectric conversion apparatus, moving object, method for producing quantum dot, and method for producing photoelectric conversion element | Takahiro Yajima, Youichi Fukaya, Takayuki Sumida | 2022-06-28 |
| 9088030 | Polyimide, polyimide-based polymer electrolyte membrane, membrane-electrode assembly, and polymer electrolyte fuel cell | Tooru Sugitani, Hiroyuki Nishii | 2015-07-21 |
| 8980499 | Proton-conductive polymer electrolyte membrane, and membrane-electrode assembly and polymer electrolyte fuel cell using the same | Tooru Sugitani, Hiroyuki Nishii | 2015-03-17 |
| 8558191 | Charged particle beam lens and charged particle beam exposure apparatus | — | 2013-10-15 |
| 8177987 | Method for producing electron-emitting device and method for producing image display apparatus including the same | Kyota Nozu, Kenichi Iwata, Tamaki Kobayashi, Shin Kitamura | 2012-05-15 |
| 8125134 | Electron-emitting device, method of manufacturing the same, electron source, and image display apparatus | — | 2012-02-28 |
| 7739790 | Electron-emitting device manufacturing method, electron source manufacturing method, image-forming apparatus manufacturing method, and information displaying and playing apparatus manufacturing method | Tsuyoshi Takegami | 2010-06-22 |
| 7607157 | Near video-on-demand signal receiver | Hajime Inoue, Yukio Kubota, Toshimichi Nagashima, Keiji Kanota | 2009-10-20 |
| 7249990 | Electron-emitting device manufacturing method, electron source manufacturing method, image-forming apparatus manufacturing method, and information displaying and playing apparatus manufacturing method | Tsuyoshi Takegami | 2007-07-31 |
| 7104859 | Methods for manufacturing carbon fibers, electron-emitting device, electron source, image display apparatus, light bulb, and secondary battery using a thermal CVD method | Takeo Tsukamoto, Shinichi Kawate, Kazunari Oyama, Takahiro Sato, Shin Kitamura +2 more | 2006-09-12 |
| 6910936 | Method of transforming polymer film into carbon film in electron-emitting device | Hironobu Mizuno | 2005-06-28 |
| 6483296 | Angular position detection apparatus | Takashi Hamaoka, Takamitsu Kubota, Kunio Nanba, Kunio Tanaka | 2002-11-19 |
| 6252038 | Method for selectively separating hydrocarbons | Tomoko Matsushita, Tsukasa Miyazaki, Kenichi Ikeda | 2001-06-26 |
| 6055218 | Recording medium having track formed of land portion and groove portion, and reproducing apparatus therefor | Toru Takeda, Shinichi Yamamura, Katsuhiro Seo | 2000-04-25 |
| 6018507 | Method of and apparatus for recording data on land/groove track on optical recording medium | Toru Takeda, Tamotsu Yamagami, Tadaaki Nomoto | 2000-01-25 |
| 6002836 | Recording and reproducing apparatus in which digital data having various transmission rates are processed at their optimum data rates | Hajime Inoue, Hisato Shima, Keiji Kanota, Yukio Kubota | 1999-12-14 |
| 5990881 | Near video-on-demand signal receiver | Hajime Inoue, Yukio Kubota, Toshimichi Nagashima, Keiji Kanota | 1999-11-23 |
| 5884141 | Near video-on-demand signal receiver | Hajime Inoue, Yukio Kubota, Toshimichi Nagashima, Keiji Kanota | 1999-03-16 |
| 5826168 | Near video-on-demand signal receiver | Hajime Inoue, Yukio Kubota, Toshimichi Nagashima, Keiji Kanota | 1998-10-20 |
| 5749943 | Method of selectively separating unsaturated hydrocarbon | Kenichi Ikeda, Hisao Hachisuka | 1998-05-12 |
| 5729280 | Near video-on-demand signal receiver having a memory which provides for VCR like functions | Hajime Inoue, Yukio Kubota, Toshimichi Nagashima, Keiji Kanota | 1998-03-17 |
| 5691737 | System for explaining an exhibit using spectacle-type displays | Ryo Ito | 1997-11-25 |