Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12209187 | Amorphous silica-titania composite oxide powder, resin composition, liquid dispersion, and method for producing silica-coated silica-titania composite oxide powder | Masao Ariyuki, Osamu Tanaka, Mari Aoki | 2025-01-28 |
| 9403242 | Steel for welding | Yoshiyuki Watanabe, Shinsuke Usui, Rikio Chijiiwa | 2016-08-02 |
| 8920713 | Steel for welded structure and producing method thereof | Yoshiyuki Watanabe, Akihiko Kojima, Ryuji Uemori, Rikio Chijiiwa | 2014-12-30 |
| 8668784 | Steel for welded structure and producing method thereof | Yoshiyuki Watanabe, Akihiko Kojima, Ryuji Uemori, Rikio Chijiiwa | 2014-03-11 |
| 8361248 | Steel superior in CTOD properties of weld heat-affected zone and method of production of same | Rikio Chijiiwa, Ryuji Uemori, Yoshiyuki Watanabe, Akihiko Kojima, Yoshihide Nagai | 2013-01-29 |
| 7918948 | Method of production of 780 MPa class high strength steel plate excellent in low temperature toughness | Ryuji Uemori, Yoshiyuki Watanabe, Yoshihide Nagai, Rikio Chijiiwa | 2011-04-05 |
| 7857917 | Method of production of steel for welded structures excellent in low temperature toughness of weld heat affected zone | Yasushi Mizutani, Rikio Chijiiwa, Yoshiyuki Watanabe | 2010-12-28 |
| 5482929 | Composition of stabilized fibroblast growth factor | Shigeki Hijikata, Kimihiro Ishimura, Yoshiro Ohtani, Kunio Kimura, Masahiro Fujii +1 more | 1996-01-09 |