Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7840181 | Rectifier circuit and radio communication device | Shoji Ootaka | 2010-11-23 |
| 7812710 | Wireless sensor and method of controlling a wireless sensor | Yu Kaneko, Eiji Kamagata, Masahiro Yoshikane | 2010-10-12 |
| 7746120 | Voltage to current converter | Shoji Otaka | 2010-06-29 |
| 7715802 | Frequency synthesizer and multi-band radio apparatus using said frequency synthesizer | Hiroshi Yoshida | 2010-05-11 |
| 7450009 | Wireless tag reader, wireless tag system, computer readable medium and wireless communication method | Yusuke Doi, Satoshi Ozaki, Shirou Wakayama, Masahiro Ishiyama | 2008-11-11 |
| 7424265 | Rectifier circuit and radio communication device | Shoji Ootaka | 2008-09-09 |
| 7424266 | Rectifier circuit and RFID tag | Shoji Ootaka | 2008-09-09 |
| 7123061 | Frequency converter having low supply voltage | Shoji Otaka, Tetsuro Itakura | 2006-10-17 |
| 7075345 | Frequency converter having low supply voltage | Shoji Otaka, Tetsuro Itakura | 2006-07-11 |
| 6985701 | Frequency synthesizer and multi-band radio apparatus using said frequency synthesizer | Hiroshi Yoshida | 2006-01-10 |
| 6954089 | Frequency converter having low supply voltage | Shoji Otaka, Tetsuro Itakura | 2005-10-11 |
| 6946895 | Mixer device including an amplifier circuit | Shoji Otaka | 2005-09-20 |
| 6768379 | Amplifier circuit | Shoji Otaka | 2004-07-27 |
| 6684032 | Optical signal receiver apparatus | — | 2004-01-27 |
| 6384399 | Optical receiving circuit comprising a reflection coefficient setting circuit | — | 2002-05-07 |
| 6249178 | High-speed output circuit device with a switch circuit | — | 2001-06-19 |
| 5939922 | Input circuit device with low power consumption | — | 1999-08-17 |
| 5896051 | Output circuit and output circuit device | Kunio Yoshihara | 1999-04-20 |
| 5571946 | Apparatus for automatically measuring dust concentration in flue gas | Hideyuki Koshi, Hiroshi Funanokawa, Satoshi Doi, Kunihiro Kondo, Toshihiro Takahashi +1 more | 1996-11-05 |