Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8692240 | Photoelectric conversion film, photoelectric conversion device and color image sensor having the photoelectric conversion device | Kyu Sik Kim | 2014-04-08 |
| 8319207 | Photoelectric conversion film, photoelectric conversion device and color image sensor having the photoelectric conversion device | Kyu Sik Kim | 2012-11-27 |
| 7294780 | Photoelectric current multiplier using molecular crystal and production method therefor | Masaaki Yokoyama | 2007-11-13 |
| 7262430 | Organic photocurrent multiplication device | Masaaki Yokoyama | 2007-08-28 |
| 7220986 | Photoelectric current multiplier using molecular crystal and production method therefor | Masaaki Yokoyama | 2007-05-22 |
| 7081368 | Method for detecting gas with the use of photocurrent amplification and the like and gas sensor | Masaaki Yokoyama, Manabu Yoshida | 2006-07-25 |
| 6878960 | Multiplication device comprising resin-dispersed organic semiconductor film and method for producing the same | Masaaki Yokoyama, Ken Nakayama | 2005-04-12 |
| 6812812 | Longitudinally coupled surface acoustic wave resonator filter | — | 2004-11-02 |
| 5909158 | Surface acoustic wave resonator filter with longitudinally coupled resonators having specific resonance frequency placements | — | 1999-06-01 |