Issued Patents All Time
Showing 1–25 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6515640 | Electron emission device with gap between electron emission electrode and substrate | Takeo Tsukamoto, Mamoru Miyawaki, Tetsuya Kaneko, Akira Suzuki, Toshihiko Takeda +1 more | 2003-02-04 |
| 5838019 | Electron emitting element | Takeo Tsukamoto, Akira Shimizu, Akira Suzuki, Masao Sugata, Masahiko Okunuki | 1998-11-17 |
| 5786658 | Electron emission device with gap between electron emission electrode and substrate | Takeo Tsukamoto, Mamoru Miyawaki, Tetsuya Kaneko, Akira Suzuki, Toshihiko Takeda +1 more | 1998-07-28 |
| 5680158 | Communication apparatus including a plurality of light sources arranged in columns and lines corresponding to columns and lines of a plurality of key switches | Masaaki Yoshida, Mikiharu Matsuoka, Yasuko Miyazaki, Masaaki Kanashiki | 1997-10-21 |
| 5633727 | Character image processing apparatus | — | 1997-05-27 |
| 5627111 | Electron emitting device and process for producing the same | Takeo Tsukamoto, Akira Shimizu, Akira Suzuki, Masao Sugata, Masahiko Okunuki | 1997-05-06 |
| 5627670 | Scanning optical apparatus having beam scan controller | Kazuo Minoura, Masayuki Suzuki, Yoshinobu Shiraiwa, Osamu Hoshino | 1997-05-06 |
| 5610965 | Exposure method | Makiko Mori, Kunitaka Ozawa, Koji Uda, Shunichi Uzawa, Eiji Sakamoto | 1997-03-11 |
| 5588839 | Information processing apparatus | — | 1996-12-31 |
| 5576699 | Method and apparatus for transferring information by utilizing electron beam | Fumitaka Kan, Kenji Nakamura, Masanori Takenouchi, Naoji Hayakawa, Masahiko Okunuki | 1996-11-19 |
| 5574438 | Method for transferring information, and in particular for performing a logic operation, using electron beams | Fumitaka Kan, Kenji Nakamura, Masanori Takenouchi, Naoji Hayakawa, Masahiko Okunuki | 1996-11-12 |
| 5559342 | Electron emitting device having a polycrystalline silicon resistor coated with a silicide and an oxide of a work function reducing material | Takeo Tsukamoto, Akira Shimizu, Akira Suzuki, Masao Sugata, Masahiko Okunuki | 1996-09-24 |
| 5498501 | Exposure method | Takao Kariya, Nobutoshi Mizusawa, Kunitaka Ozawa, Shunichi Uzawa | 1996-03-12 |
| 5459573 | Light quantity controlling apparatus | Naoto Abe, Koji Uda, Shunichi Uzawa, Noriyuki Nose | 1995-10-17 |
| 5390227 | Exposure apparatus | Nobutoshi Mizusawa, Ryuichi Ebinuma, Takao Kariya, Shunichi Uzawa | 1995-02-14 |
| 5361015 | Electron emission element | Masahiko Okunuki, Akira Suzuki, Tetsuya Kaneko, Takeo Tsukamoto, Toshihiko Takeda +2 more | 1994-11-01 |
| 5355127 | Method and apparatus for transferring information by utilizing electron beam | Fumitaka Kan, Kenji Nakamura, Masanori Takenouchi, Naoji Hayakawa, Masahiko Okunuki | 1994-10-11 |
| 5327050 | Electron emitting device and process for producing the same | Takeo Tsukamoto, Akira Shimizu, Akira Suzuki, Masao Sugata, Masahiko Okunuki | 1994-07-05 |
| 5306152 | Reading apparatus for eyesight handicapped person | — | 1994-04-26 |
| 5304815 | Electron emission elements | Akira Suzuki, Takeo Tsukamoto, Akira Shimizu, Masao Sugata, Masahiko Okunuki | 1994-04-19 |
| 5283681 | Scanning optical equipment | Osamu Hoshino, Kazuo Isaka, Masayuki Suzuki | 1994-02-01 |
| 5267292 | X-ray exposure apparatus | Yutaka Tanaka, Nobutoshi Mizusawa, Mitsuaki Amemiya, Takao Kariya | 1993-11-30 |
| 5201681 | Method of emitting electrons | Masahiko Okunuki, Akira Suzuki, Tetsuya Kaneko, Takeo Tsukamoto, Toshihiko Takeda +2 more | 1993-04-13 |
| 5185559 | Supply circuit for P-N junction cathode | Takeo Tsukamoto, Akira Shimizu, Akira Suzuki, Masao Sugata, Masahiko Okunuki | 1993-02-09 |
| 5176557 | Electron emission element and method of manufacturing the same | Masahiko Okunuki, Akira Suzuki, Tetsuya Kaneko, Takeo Tsukamoto, Toshihiko Takeda +2 more | 1993-01-05 |