Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6713931 | Cylindrical commutator securely fixed to mold resin | Hiroyuki Kato, Yoshiyasu Kogure, Tsutomu Ishiwata, Gene Larson | 2004-03-30 |
| 6419764 | Hydrogen storage material | Kunio Takahashi, Makoto Tsukahara | 2002-07-16 |