Issued Patents All Time
Showing 25 most recent of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9197969 | Optical microphone | Takuya Iwamoto, Kazuo Yokoyama, Masahiko Hashimoto, Yuriko Kaneko | 2015-11-24 |
| 9173039 | Optical microphone | Takuya Iwamoto, Masahiko Hashimoto, Yuriko Kaneko | 2015-10-27 |
| 9057008 | Porous silica material and optical microphone | Yuriko Kaneko, Takuya Iwamoto, Masahiko Hashimoto, Norihisa Mino | 2015-06-16 |
| 9028788 | Porous silica material and optical microphone using the same | Yuriko Kaneko, Takuya Iwamoto, Masahiko Hashimoto, Norihisa Mino | 2015-05-12 |
| 9014565 | Optical microphone | Takuya Iwamoto, Yuriko Kaneko, Masahiko Hashimoto | 2015-04-21 |
| 8948603 | Optical microphone | Takuya Iwamoto, Masahiko Hashimoto, Yuriko Kaneko | 2015-02-03 |
| 8813571 | Optical microphone | Takuya Iwamoto, Masahiko Hashimoto, Yuriko Kaneko | 2014-08-26 |
| 8652432 | Method for producing porous silica material | Yuriko Kaneko, Takuya Iwamoto, Masahiko Hashimoto, Norihisa Mino | 2014-02-18 |
| 8237931 | Optoacoustic convolver | Masahiko Hashimoto | 2012-08-07 |
| 7764861 | Photonic crystal device | Tomoyasu Fujishima, Hiroshi Kanno, Kazuyuki Sakiyama | 2010-07-27 |
| 7639099 | Dual-frequency matching circuit | — | 2009-12-29 |
| 7579924 | Dual-frequency matching circuit | — | 2009-08-25 |
| 7574098 | Photonic crystal device | Tomoyasu Fujishima, Hiroshi Kanno, Kazuyuki Sakiyama | 2009-08-11 |
| 7573352 | Dual-frequency matching circuit | — | 2009-08-11 |
| 7573351 | Dual-frequency matching circuit | — | 2009-08-11 |
| 7570131 | Dual-frequency matching circuit | — | 2009-08-04 |
| 7567144 | Dual-frequency matching circuit | — | 2009-07-28 |
| 7564321 | Dual-frequency matching circuit | — | 2009-07-21 |
| 7564322 | Dual-frequency matching circuit | — | 2009-07-21 |
| 7535429 | Variable slot antenna and driving method thereof | Hiroshi Kanno | 2009-05-19 |
| 7518462 | Transmission line pair having a plurality of rotational-direction reversal structures | Hiroshi Kanno, Kazuyuki Sakiyama, Tomoyasu Fujishima | 2009-04-14 |
| 7495523 | Differential transmission line having curved section with reduced line width | Hiroshi Kanno, Kazuyuki Sakiyama, Tomoyasu Fujishima | 2009-02-24 |
| 7482993 | Variable-directivity antenna | Tomoyasu Fujishima, Kazuyuki Sakiyama, Hiroshi Kanno | 2009-01-27 |
| 7429902 | Differential transmission line having a curved region with selected radius of curvature | Hiroshi Kanno, Kazuyuki Sakiyama, Tomoyasu Fujishima | 2008-09-30 |
| 7414201 | Transmission line pair | Hiroshi Kanno, Kazuyuki Sakiyama, Tomoyasu Fujishima | 2008-08-19 |