Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11700059 | Display device and reception terminal | Shutai Okamura, Masahiko Yamamoto, Toshihiro Ezaki, Takeshi Hatakeyama | 2023-07-11 |
| 10489641 | Image processing apparatus, image processing system, and image processing method | Kou Watanabe, Masahiko Yamamoto, Masaaki Higashida, Tsutomu Uenoyama, Takeshi Hatakeyama +2 more | 2019-11-26 |
| 10282423 | Announcement system and speech-information conversion apparatus | — | 2019-05-07 |
| 10248375 | Sound collecting device capable of obtaining and synthesizing audio data | Takeshi Hatakeyama, Kou Watanabe, Masahiko Yamamoto, Masaaki Higashida, Tsutomu Uenoyama +2 more | 2019-04-02 |
| 8682161 | Optical data transmission system | Masaaki Higashida | 2014-03-25 |
| 8667129 | Terminal differentiation server and network system using the same | Masaaki Higashida | 2014-03-04 |
| 7814515 | Digital data delivery system and method of the same | Masaaki Higashida | 2010-10-12 |
| 6826181 | Packet transmitter | Masaaki Higashida, Yoshihiro Morioka, Masakazu Nishino, Masaaki Kobayashi | 2004-11-30 |
| 6424483 | Control system of tape travel for a magnetic recording and reproducing apparatus | Kenichi Honjo, Haruo Isaka, Masafumi Nishida, Yoshio Sakakibara, Toshiyuki Kohri +1 more | 2002-07-23 |
| 6278691 | Communications system | Masaaki Higashida, Yoshihiro Morioka | 2001-08-21 |
| 5793925 | Recording method and apparatus for control track | Yoshio Sakakibara, Haruo Isaka, Kenichi Honjo | 1998-08-11 |
| 4479165 | Gas insulated switching apparatus | Isao Kamata | 1984-10-23 |
| 4468716 | Gas-insulated switchgear | Isao Kamata | 1984-08-28 |
| 4428027 | Gas-insulated substations | Isao Kamata | 1984-01-24 |
| 4329655 | Adaptive equalization system for nonlinearities | Toshio Nojima | 1982-05-11 |