Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10983174 | Direct-current electricity leakage detection device and electricity leakage detection device | Naoki Fukuo, Tomokazu Nishigaki | 2021-04-20 |
| 10809312 | Electric leakage detector | Tomokazu Nishigaki, Naoki Fukuo | 2020-10-20 |
| 10396544 | Shutoff device | Eiji Iwami, Naoki Fukuo, Tomokazu Nishigaki | 2019-08-27 |
| 9549142 | Video data transmitter apparatus and video data receiver apparatus for transmission system using multi-value amplitude modulation | Osamu Shibata, Hiroshi Tanaka | 2017-01-17 |
| 9288418 | Video signal transmitter apparatus and receiver apparatus using uncompressed transmission system of video signal | Osamu Shibata | 2016-03-15 |
| 9088746 | Video data transmitter apparatus and video data receiver apparatus for transmission system using multi-value amplitude modulation | Osamu Shibata, Hiroshi Tanaka | 2015-07-21 |
| 9002198 | Optical transmission system | Osamu Shibata, Yoshiyuki Saito | 2015-04-07 |
| 8976890 | Multilevel amplitude modulation device, multilevel amplitude demodulation device, transmission system including these, multilevel amplitude modulation method, and multilevel amplitude demodulation method | Osamu Shibata | 2015-03-10 |
| 8605776 | Proximity contactless communication apparatus capable of selecting appropriate encoding method according to bandwidth between antennas | Hiroshi Suenaga, Kohei Masuda, Hiroshi Tanaka, Takeshi Nakayama | 2013-12-10 |
| 8189787 | Data transmitting apparatus, data receiving apparatus and data communication apparatus | Tomokazu Sada, Masaru Fuse, Satoshi Furusawa | 2012-05-29 |
| 8180052 | Data communication apparatus | Masaru Fuse, Satoshi Furusawa, Toru Shiozaki | 2012-05-15 |
| 8107628 | Data transmitting apparatus and data receiving apparatus | Masaru Fuse, Satoshi Furusawa, Tomokazu Sada | 2012-01-31 |
| 7986783 | Data transmitting apparatus | Satoshi Furusawa, Tomokazu Sada, Masaru Fuse, Tomoaki Ohira | 2011-07-26 |
| 7965788 | Data receiving apparatus | Masaru Fuse, Satoshi Furusawa, Tomokazu Sada | 2011-06-21 |
| 7912215 | Data transmission apparatus, data receiving apparatus and method executed thereof | Satoshi Furusawa, Masaru Fuse, Tomokazu Sada | 2011-03-22 |
| 7907731 | Data communication system | Masaru Fuse, Satoshi Furusawa, Toru Shiozaki | 2011-03-15 |
| 7907670 | Data transmitting apparatus and data receiving apparatus | Masaru Fuse, Satoshi Furusawa, Tomokazu Sada, Tomoaki Ohira | 2011-03-15 |
| 7839946 | Data communication apparatus and data communication method | Tomokazu Sada, Masaru Fuse, Satoshi Furusawa, Tomoaki Ohira | 2010-11-23 |
| 7835524 | Encrypting of communications using a transmitting/receiving apparatus via key information based on a multi-level code signal and a pseudo-random number sequence for modulation with an information signal | Satoshi Furusawa, Tomokazu Sada, Masaru Fuse | 2010-11-16 |
| 7801300 | Data transmitter and data receiver | Masaru Fuse, Satoshi Furusawa, Tomokazu Sada | 2010-09-21 |
| 7606503 | Pulse signal demodulation device | Masaru Fuse | 2009-10-20 |
| 7321733 | Split-band optical transmission system and optical transmission method used therein | Masaru Fuse | 2008-01-22 |
| 6891995 | Wavelength division multiplex transmission system | Masaru Fuse, Toshihiko Yasue | 2005-05-10 |
| 6775483 | System, device, and method for wavelength-division multiplex optical transmission | Hiroyuki Sasai, Masaru Fuse | 2004-08-10 |
| 6626588 | Optical transmission apparatus | Hiroyuki Sasai, Masaru Fuse | 2003-09-30 |