Issued Patents All Time
Showing 76–100 of 100 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7498717 | Resonator, filter and fabrication of resonator | Tsuyoshi Yokoyama, Tokihiro Nishihara, Takeshi Sakashita, Masafumi Iwaki, Masanori Ueda +1 more | 2009-03-03 |
| 7498899 | Duplexer with filters including film bulk acoustic resonators | Masafumi Iwaki, Tokihiro Nishihara, Jun Tsutsumi, Takeshi Sakashita, Tsuyoshi Yokoyama +2 more | 2009-03-03 |
| 7482738 | Piezoelectric thin-film resonator and filter | Tsuyoshi Yokoyama, Motoaki Hara, Takeshi Sakashita, Jun Tsutsumi, Masafumi Iwaki +2 more | 2009-01-27 |
| 7432631 | Piezoelectric thin-film resonator and filter and fabricating method | Tokihiro Nishihara, Takeshi Sakashita, Tsuyoshi Yokoyama, Masafumi Iwaki, Masanori Ueda +1 more | 2008-10-07 |
| 7368859 | Piezoelectric thin-film resonator and filter having the same | Tsuyoshi Yokoyama, Tokihiro Nishihara, Takeshi Sakashita, Jun Tsutsumi, Masafumi Iwaki +1 more | 2008-05-06 |
| 7345402 | Piezoelectric thin-film resonator and filter using the same | Tsuyoshi Yokoyama, Takeshi Sakashita, Jun Tsutsumi, Masafumi Iwaki, Tokihiro Nishihara +1 more | 2008-03-18 |
| 7231110 | Wavelength selector switch | Tsuyoshi Yamamoto | 2007-06-12 |
| 7095559 | Variable optical delay circuit | Tadao Nakazawa, Yumi Nakazawa, Masaharu Doi | 2006-08-22 |
| 7092594 | Wavelength selector switch | Tsuyoshi Yamamoto | 2006-08-15 |
| 6882109 | Electric discharge lamp | Kuniaki Nakano, Jiro Honda, Shigeyuki Mori, Yasaburo Takeji | 2005-04-19 |
| 6865306 | Optical device | Masaharu Doi, Masaaki Ohyama, Masaaki Norimatsu | 2005-03-08 |
| 6853311 | Alarm apparatus for motor vehicle | — | 2005-02-08 |
| 6801675 | Optical modulator | Masaharu Doi, Masaaki Ohyama, Masaki Sugiyama | 2004-10-05 |
| 6729183 | Thermosensitive flow rate detecting device | Koji Tanimoto, Ryuji Toyama | 2004-05-04 |
| 6724144 | Discharge lamp | Yasaburo Takeji | 2004-04-20 |
| 6584240 | Optical modulator having ridge and associated structure on substrate | Masaharu Doi, Masaaki Ohyama, Masaki Sugiyama | 2003-06-24 |
| 6580843 | Optical device | Masaharu Doi, Masaaki Ohyama, Masaaki Norimatsu | 2003-06-17 |
| 6539793 | Flow rate detector | Koji Tanimoto, Tomoya Yamakawa, Ryuji Toyama | 2003-04-01 |
| 6538379 | Discharge lamp | Yasaburo Takeji, Kuniaki Nakano, Jiro Honda, Shigeyuki Mori | 2003-03-25 |
| 6495960 | Discharge lamp | Yasaburo Takeji, Kuniaki Nakano, Jiro Honda, Shigeyuki Mori | 2002-12-17 |
| 6400881 | Optical device having thin film formed over optical waveguide | Minoru Seino, Tadao Nakazawa | 2002-06-04 |
| 6370308 | Acousto-optical device | Tadao Nakazawa, Minoru Seino | 2002-04-09 |
| 6055349 | Optical waveguide device and manufacturing method therefor | Minoru Seino | 2000-04-25 |
| 5565735 | Unsaturated vapor pressure type high pressure sodium lamp | Yasaburo Takeji | 1996-10-15 |
| 4608541 | Isolation amplifier | Ikuo Moriwaki | 1986-08-26 |