Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648995 | Method of quenching workpiece with hole, assistive tool for use in quenching, and crankshaft | Kazuo Minemura | 2003-11-18 |
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Noriyuki Okutsu
Overall (2003): #148,258 of 273,478Top 55%
1
Patents 2003