Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7291402 | Surface-treated steel sheets of good white rust resistance, and method for producing them | Okai Kazuhisa, Akira Matsuzaki, Naoto Yoshimi, Takahiro Kubota, Masaaki Yamashita +8 more | 2007-11-06 |
| 6627316 | Resin composition for water borne coatings and water borne coating composition | Reijirou Nishida, Tohru Iwamoto, Atsushi Shioda | 2003-09-30 |
| 6562474 | Coated steel sheet having excellent corrosion resistance and method for producing the same | Naoto Yoshimi, Satoru Ando, Masaru Sagiyama, Akihiko Furuta, Masaaki Yamashita +6 more | 2003-05-13 |
| 5686725 | Method for reading of invisible marking | Tsutomu Maruyama, Atsushi Akiyama, Kazuo Sanada, Sadao Chigira, Masanobu Hidaka | 1997-11-11 |