Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10041148 | Pb-free copper alloy sliding material | Hiromi Yokota | 2018-08-07 |
| 9669461 | Process for production of sintered copper alloy sliding material and sintered copper alloy sliding material | Hitoshi Wada, Takashi Tomikawa, Hiromi Yokota | 2017-06-06 |
| 9028582 | Process for production of sintered copper alloy sliding material and sintered copper alloy sliding material | Hitoshi Wada, Takashi Tomikawa, Hiromi Yokota | 2015-05-12 |
| 7883588 | Pb-free bearing used for fuel-injection pump | Hiromi Yokota, Hiroaki Hayakawa, Naruhiko Inayoshi, Youichi Murakami, Masashi Suzuki +1 more | 2011-02-08 |
| 7678173 | Pb-free copper-alloy sliding material | Hiromi Yokota, Hiroaki Kobayashi, Hiroyuki Kawaguti | 2010-03-16 |
| 6689488 | Lead-free solder and solder joint | Yasuhisa Tanaka | 2004-02-10 |