Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9099075 | Standing wave attenuation device | Satoshi Sekine, Keiichi Fukatsu, Shinichi Kato, Atsushi Yoshida | 2015-08-04 |
| 8901404 | Sound adjusting system and electronic musical instrument | Fusako Ishimura, Takashi Kato, Keiichi Fukatsu | 2014-12-02 |
| 8439158 | Acoustic resonator and sound chamber | Keiichi Fukatsu | 2013-05-14 |
| 8360201 | Sound absorbing structure and sound chamber | — | 2013-01-29 |
| 8091685 | Sound absorbing structure built into luggage compartment of vehicle | Yasutaka Nakamura, Atsushi Yoshida, Masaru Matsushita | 2012-01-10 |
| 8011472 | Sound absorbing structure and vehicle component having sound absorbing property | Yasutaka Nakamura, Atsushi Yoshida, Masaru Matsushita, Kunio Hiyama | 2011-09-06 |
| 7484660 | Product purchase support apparatus, product purchase support method, product purchase support program, information creating apparatus, information creating method, information creating program, and privilege granting system | — | 2009-02-03 |
| 7130766 | Energy-saving evaluation apparatus, ecological driving evaluation apparatus, energy saving evaluation system, ecological driving evaluation system and method thereof | — | 2006-10-31 |
| 7114302 | Floor structure and floor base panel | Yoshikazu Honji, Tetsu Kobayashi | 2006-10-03 |
| 6590994 | Linear vibrating device and speaker equipped with the same | Atsushi Yoshida, Tetsu Kobayashi | 2003-07-08 |