Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5221490 | Rust-preventive lubricant composition for zinc-plated steel material | Yasuhisa Tajiri, Takafumi Yamaji, Yasuo Okumura, Yoshio Nagae | 1993-06-22 |
| 5116521 | Aqueous lubrication treatment liquid and method of cold plastic working metallic materials | Hiroyuki Fujii, Tokuo Shirai, Takanori Mizutani, Yoshio Nagae, Koji HETSUGI +1 more | 1992-05-26 |