Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7758762 | Method for manufacturing an electron-emitting device with first and second carbon films | Masato Yamanobe, Takeo Tsukamoto, Toshikazu Ohnishi, Keisuke Yamamoto, Sotomitsu Ikeda +2 more | 2010-07-20 |
| 7234985 | Method for manufacturing an electric emitting device with first and second carbon films | Masato Yamanobe, Takeo Tsukamoto, Toshikazu Ohnishi, Keisuke Yamamoto, Sotomitsu Ikeda +2 more | 2007-06-26 |
| 7057336 | Electron-emitting device, electron source and image-forming apparatus as well as method of manufacturing the same | Masato Yamanobe, Takeo Tsukamoto, Toshikazu Ohnishi, Keisuke Yamamoto, Sotomitsu Ikeda +2 more | 2006-06-06 |
| 6898383 | Image forming apparatus | Mayumi Ohori, Masaru Tanaka, Haruji Mizuishi, Hiroyuki Ohkaji, Kenzo Tatsumi +3 more | 2005-05-24 |
| 6878028 | Method of fabricating electron source and image forming apparatus | Akira Fujii, Hisaaki Kawade, Yoichi Ando | 2005-04-12 |
| 6787983 | Image-forming apparatus | Masato Yamanobe | 2004-09-07 |
| 6628903 | Image forming apparatus having a sensor for sensing an amount of reflected light from both a photoconductive element and a paper | Mayumi Ohori, Masaru Tanaka, Haruji Mizuishi, Hiroyuki Ohkaji, Kenzo Tatsumi +3 more | 2003-09-30 |
| 6608437 | Electron-emitting device, electron source and image-forming apparatus as well as method of manufacturing the same | Masato Yamanobe, Takeo Tsukamoto, Toshikazu Ohnishi, Keisuke Yamamoto, Sotomitsu Ikeda +2 more | 2003-08-19 |
| 6416374 | Electron source manufacturing method, and image forming apparatus method | Masanori Mitome, Masato Yamanobe, Hitoshi Oda | 2002-07-09 |
| 6246168 | Electron-emitting device, electron source and image-forming apparatus as well as method of manufacturing the same | Masato Yamanobe, Takeo Tsukamoto, Toshikazu Ohnishi, Keisuke Yamamoto, Sotomitsu Ikeda +2 more | 2001-06-12 |
| 6179678 | Method of manufacturing electron-emitting device electron source and image-forming apparatus | Masato Yamanobe, Takeo Tsukamoto, Toshikazu Ohnishi, Keisuke Yamamoto, Sotomitsu Ikeda +2 more | 2001-01-30 |
| 6144811 | Image forming apparatus having a sensor for sensing an amount of reflected light from both a photoconductive element and a paper | Mayumi Ohori, Masaru Tanaka, Haruji Mizuishi, Hiroyuki Ohkaji, Kenzo Tatsumi +3 more | 2000-11-07 |
| 6075624 | Method and apparatus for turning over pages of book-original | Kazunori Bannai, Kazushige Taguchi, Tetsuya Fujioka, Hiroshi Takahashi | 2000-06-13 |
| 6053791 | Method of fabricating electron source and image forming apparatus | Akira Fujii, Hisaaki Kawade, Yoichi Ando | 2000-04-25 |
| 6044537 | Method of making a metal gasket | Koichi Tokuda | 2000-04-04 |
| 5979035 | Method of producing metal gasket | Eiichi Tahara, Koichi Tokuda | 1999-11-09 |
| 5939824 | Electron emitting device having a conductive thin film formed of at least two metal elements of difference ionic characteristics | Yoshiyuki Osada, Hisaaki Kawade, Takeo Tsukamoto, Shigeki Yoshida, Takao Kusaka | 1999-08-17 |
| 5822077 | Determination unit for determining, through detecting information associated with external object, whether or not external object will use functional apparatus or who is external object, so as to provide appropriate service | Eiichi Sasaki, Mitsuhisa Kanaya, Yoshinori Arai, Kouji Ichimiya, Kenji Namie | 1998-10-13 |
| 5622634 | Method of manufacturing electron-emitting device, electron source and image-forming apparatus | Takashi Noma, Seijiro Kato, Hisaaki Kawade, Toshikazu Ohnishi, Michiyo Nishimura +3 more | 1997-04-22 |
| 5610725 | Communication system for managing data of resources of image forming unit | Yasuo Kawada, Hidenori Sakai, Makoto Obu, Katsuhiro Echigo, Yasuhiro Kawashima +1 more | 1997-03-11 |
| 5565414 | Substituted superconductive Bi-Sr-Ca-Cu oxide and Bi-Sr-Ca-Ln-Cu oxide compositions | Jun Akimitsu, Tohru Den, Norio Kaneko, Masatake Akaike, Kiyozumi Niizuma +1 more | 1996-10-15 |
| 5504590 | Communication system for managing data of resources of image forming unit | Yasuo Kawada, Hidenori Sakai, Makoto Obu, Katsuhiro Echigo, Yasuhiro Kawashima +1 more | 1996-04-02 |
| 5493365 | Operating section for an image forming apparatus | Hideaki Matsui, Nobuaki Tomidokoro, Shigeru Yoshiki, Shigeru Watanabe, Shinichi Kawahara +6 more | 1996-02-20 |
| 5481491 | Recording medium, recording method, and readout method | Keisuke Yamamoto, Taiko Motoi, Takehiko Kawasaki, Norio Kaneko | 1996-01-02 |
| 5461132 | Organic magnetic member, organic ferromagnetic member, and process for producing the same, and time-responsible organic ferromagnetic member and process for controlling development of ferromagnetism | Masayoshi Tabata, Kazuaki Yokota, Yoko Yoshinaga, Norio Kaneko, Nobuo Kushibiki | 1995-10-24 |