Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11012044 | Amplifier with common mode detection | Srinivasan Venkatraman, William J. Walsh, Qichao Shao | 2021-05-18 |
| 8849127 | Visible light communication transmitter and visible light communication system | Masashi Yamada | 2014-09-30 |
| 8750719 | Visible light communication receiver, visible light communication system, and visible light communication method | Masashi Yamada | 2014-06-10 |
| 8742317 | Visible light receiver circuit | Masashi Yamada | 2014-06-03 |
| 8526825 | Visible light communication transmitter and visible light communication system | Masashi Yamada | 2013-09-03 |
| 8189180 | Optical fiber transmission line measurement apparatus and system | Koji Bato, Taro Asao, Yoshinori Tochiki, Haruka Miyazaki, Akira Yamamoto +2 more | 2012-05-29 |
| 8059972 | Optical receiver and visible light communication system | Masashi Yamada | 2011-11-15 |
| 7650082 | Optical communication transmitter, optical communication receiver, optical communication system, and communication apparatus | Masashi Yamada | 2010-01-19 |
| 6275175 | Device for encoding/decoding n-bit source words into corresponding m-bit channel words, and vice versa | Josephus Arnoldus Henricus Maria Kahlman, Toshiyuki Nakagawa, Yoshihide Shimpuku, Tatsuya Narahara | 2001-08-14 |
| 6225921 | Device for encoding/decoding n-bit source words into corresponding m-bit channel words, and vice versa | Josephus Arnoldus Henricus Maria Kahlman, Kornelis A. Schouhamer Immink, Gijsbert J. Van Den Enden, Toshiyuki Nakagawa, Yoshihide Shimpuku +1 more | 2001-05-01 |
| 6175318 | Device for encoding/decoding n-bit source words into corresponding m-bit channel words, and vice versa | Josephus Arnoldus Henricus Maria Kahlman, Toshiyuki Nakagawa, Yoshihide Shimpuku, Tatsuya Narahara | 2001-01-16 |
| 5378417 | Process for producing ceramic compositions | Yoshiyuki Yasutomi, Hideki Kita, Masahisa Sobue | 1995-01-03 |
| 5316987 | Ceramic composite and process for production thereof | Yoshiyuki Yasutomi, Hideki Kita, Masahisa Sobue | 1994-05-31 |
| 5130055 | Ceramic composite and process for the production thereof | Yoshiyuki Yasutomi, Hideki Kita, Masahisa Sobue | 1992-07-14 |
| 4923829 | Composite ceramics and method of making the same | Yoshiyuki Yasutomi, Yasuo Matsushita | 1990-05-08 |
| 4690793 | Nuclear fusion reactor | Hisanori Okamura, Kunio Miyazaki, Hirosi Akiyama, Shinichi Itoh, Tomio Yasuda +3 more | 1987-09-01 |
| 4651192 | Ceramic packaged semiconductor device | Yasuo Matsushita, Mitsuru Ura, Fumiyuki Kobayashi | 1987-03-17 |
| 4585706 | Sintered aluminum nitride semi-conductor device | Yukio Takeda, Satoru Ogihara, Mitsuru Ura, Tadamichi Asai, Tokio Ohkoshi +2 more | 1986-04-29 |
| 4571610 | Semiconductor device having electrically insulating substrate of SiC | Yasuo Matsushita, Yukio Takeda, Tokio Ohkoshi | 1986-02-18 |
| 4561010 | Electrically insulating silicon carbide sintered body | Satoru Ogihara, Yukio Takeda, Kunihiro Maeda, Mitsuru Ura | 1985-12-24 |
| 4555358 | Electrically conductive sintered ceramics and ceramic heaters | Yasuo Matsushita, Koji Harada | 1985-11-26 |
| 4540673 | Sintered aluminum nitride and semi-conductor device using the same | Yukio Takeda, Satoru Ogihara, Mitsuru Ura, Tadamichi Asai, Tokio Ohkoshi +2 more | 1985-09-10 |
| 4528121 | Electroconductive ceramics | Yasuo Matsushita, Tetuo Kosugi | 1985-07-09 |
| 4517584 | Ceramic packaged semiconductor device | Yasuo Matsushita, Mitsuru Ura | 1985-05-14 |
| 4467309 | High temperature thermistor | Yasuo Matsushita, Mitsuru Ura | 1984-08-21 |