Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6849222 | Method of manufacturing ceramic honeycomb structure and device for forming through holes | Satoru Yamaguchi, Akinobu Muto, Toshiaki Tanida | 2005-02-01 |
| 6709704 | Method of sealing cells of ceramic honeycomb body | Satoru Yamaguchi, Noboru Ogino, Takahiro Kondou, Kouji Suzuki | 2004-03-23 |
| 4261318 | Ignition system for engines | Toshihiko Igashira, Hisasi Kawai, Seiji Morino | 1981-04-14 |