Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11326238 | Steel material for high heat input welding | Yuki Toji, Koichi Nakashima, Ryo Arao, Katsuyuki Ichimiya, Kazukuni Hase | 2022-05-10 |
| 10662493 | Abrasion-resistant steel plate and method for manufacturing the same | Masao Yuga, Shinichi Miura | 2020-05-26 |
| 7026049 | Conductive polyvinyl alcohol fiber | Ryokei Endo, Tetsuya Hara, Tomoyuki Sano | 2006-04-11 |
| 6436340 | Weatherable steel material | Kazuhiko Shiotani, Kimihiro Nishimura, Yasuyoshi Yamane, Fumimaru Kawabata, Keniti Amano | 2002-08-20 |
| 6358335 | Continuous casting slab suitable for the production of non-tempered high tensile steel material | Fumimaru Kawabata, Keniti Amano | 2002-03-19 |
| 6344093 | High tensile strength steel product for high heat input welding, having excellent toughness in heat-affected zone | Fumimaru Kawabata, Keniti Amano | 2002-02-05 |
| 6007644 | Heavy-wall H-shaped steel having high toughness and yield strength and process for making steel | Tatsumi Kimura, Fumimaru Kawabata, Keniti Amano | 1999-12-28 |
| 4279752 | Polyvinyl alcohol semi-permeable membrane and method for producing same | Akinori Sueoka, Takehiko Okamoto, Syuji Kawai, Minoru Ueda | 1981-07-21 |