Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8390390 | Oven controlled crystal oscillator | Manabu Ito, Hiroyuki Mitome | 2013-03-05 |
| 8149068 | Temperature controlled crystal oscillator | Manabu Ito, Hiroyuki Mitome | 2012-04-03 |
| 7845230 | Concentration sensor and concentration detector | Takehito Ishii | 2010-12-07 |
| 7649427 | Crystal oscillator | Fumio Asamura, Katsuaki Sakamoto | 2010-01-19 |
| 7378916 | Crystal oscillator device, oscillation method and heater | Minoru Fukuda, Takaaki Ishikawa, Akihiro Nakamura, Kozo Ono, Fumio Asamura | 2008-05-27 |
| 7352256 | Crystal oscillation circuit | — | 2008-04-01 |
| 7259636 | Synchronous signal generator using a crystal oscillator and filter | — | 2007-08-21 |
| 7187337 | Planar antenna with slot line | Masayoshi Aikawa, Eisuke Nishiyama, Fumio Asamura | 2007-03-06 |
| 7145404 | Injection locked high frequency oscillator | Masayoshi Aikawa, Takayuki Tanaka, Fumio Asamura | 2006-12-05 |
| 7145405 | Planar high frequency oscillator | Masayoshi Aikawa, Takayuki Tanaka, Fumio Asamura | 2006-12-05 |
| 7119625 | High frequency oscillator using transmission line resonator | Masayoshi Aikawa, Takayuki Tanaka, Fumio Asamura | 2006-10-10 |
| 7095373 | Planar array antenna | Masayoshi Aikawa, Eisuke Nishiyama, Fumio Asamura | 2006-08-22 |
| 7088032 | Crystal oscillator | Minoru Fukuda | 2006-08-08 |
| 7061333 | Slot line based high frequency oscillator using two-port element | Masayoshi Aikawa, Takayuki Tanaka, Fumio Asamura | 2006-06-13 |
| 7061336 | High frequency oscillator | Fumio Asamura | 2006-06-13 |
| 7019596 | Multiple output high-frequency oscillator | Yuichi Sato | 2006-03-28 |
| 6992635 | Microstrip line type planar array antenna | Eisuke Nishiyama, Masayoshi Aikawa, Fumio Asamura | 2006-01-31 |
| 6917332 | Multielement planar antenna | Masayoshi Aikawa, Eisuke Nishiyama, Kozo Egashira, Fumio Asamura | 2005-07-12 |
| 6909333 | Coplanar line based high frequency oscillator | Masayoshi Aikawa, Takayuki Tanaka, Fumio Asamura | 2005-06-21 |
| 6825816 | Two-element and multi-element planar array antennas | Masayoshi Aikawa, Eisuke Nishiyama, Fumio Asamura | 2004-11-30 |
| 6798384 | Multi-element planar array antenna | Masayoshi Aikawa, Eisuke Nishiyama, Fumio Asamura | 2004-09-28 |
| 6798305 | High frequency oscillator using transmission line resonator | Masayoshi Aikawa, Takayuki Tanaka, Fumio Asamura | 2004-09-28 |
| 6798319 | High-frequency filter | Masayoshi Aikawa, Eisuke Nishiyama, Yoshifumi Kawamura, Fumio Asamura | 2004-09-28 |
| 6791421 | Input-switching voltage-controlled oscillator and PLL-controlled oscillator | — | 2004-09-14 |
| 6771137 | High-frequency oscillator | Masayoshi Aikawa, Takayuki Tanaka, Fumio Asamura, Kenji Kawahata | 2004-08-03 |