Issued Patents 2004
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824595 | Gas adsorption filter | Takuya Ueki, Hirofumi Morimoto | 2004-11-30 |
| 6809615 | Band-pass filter and communication apparatus | Tomiya Sonoda, Toshiro Hiratsuka, Kiyoshi Kanagawa, Keiichi Hirose | 2004-10-26 |
| 6745862 | Snowmobile equipped with a four-cycle engine and intake structure for snowmobile engines | Hideshi Morii, Yasuaki Yatagai, Ken Shibano, Hitoshi Matsumura | 2004-06-08 |
| 6740769 | Molybdenum-bismuth-iron-containing metal oxide catalysts for fluidized layer, method for preparation thereof, and use thereof | Kouichi Mizutani, Yoshimi Nakamura, Kunio Mori | 2004-05-25 |
| 6724955 | Add-drop multiplexer with signal amplification ability | Hirohisa Yokota, Yoshitaka Satoda | 2004-04-20 |
| 6723869 | Method for producing acrylonitrile, catalyst for use therein and method for preparing the same | Kunio Mori, Kenichi Miyaki, Hirokazu Watanabe | 2004-04-20 |
| 6720849 | High frequency filter, filter device, and electronic apparatus incorporating the same | Akihide Nakano, Tatsuya Tsujiguchi, Hiroaki Tanaka | 2004-04-13 |
| 6712887 | Gas adsorbent filter | Takuya Ueki | 2004-03-30 |