Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6959916 | Valve and manufacturing method thereof | Mitsuo Chigasaki, Shizuo Matsushita, Yoshihisa Kiyotoki, Kikuo Takeshima, Akira Sakamoto +1 more | 2005-11-01 |
| 6896978 | Joint construction of cobalt-based alloy | Yoshihisa Kiyotoki, Mitsuo Chigasaki, Shizuo Matsushita, Takahiko Kato, Yoshiteru Chiba | 2005-05-24 |
| 6889957 | Joint construction of cobalt-based alloy | Yoshihisa Kiyotoki, Mitsuo Chigasaki, Shizuo Matsushita, Takahiko Kato, Yoshiteru Chiba | 2005-05-10 |
| 6886809 | Joint construction of cobalt-based alloy | Yoshihisa Kiyotoki, Mitsuo Chigasaki, Shizuo Matsushita, Takahiko Kato, Yoshiteru Chiba | 2005-05-03 |
| 6672330 | Valve bonded with corrosion and wear proof alloy and apparatuses using said valve | Mitsuo Chigasaki, Shizuo Matsushita, Yoshihisa Kiyotoki, Takahiko Kato, Yoshiteru Chiba | 2004-01-06 |
| 5787136 | Wear resisting sintered alloy and its production, and control rod driving apparatus and nuclear reactor using the same | Kunio Miyazaki, Masayoshi Kanno, Masato Koshiishi, Tomomi Shiraki | 1998-07-28 |
| 5278881 | Fe-Cr-Mn Alloy | Takahiko Kato, Heishichiro Takahashi, Shinzoo Ikeda | 1994-01-11 |
| 5225154 | Fuel assembly for nuclear reactor, method for producing the same and structural members for the same | Masayoshi Kanno, Masahisa Inagaki, Iwao Takase, Akira Maru, Tetsuro Yasuda +1 more | 1993-07-06 |
| 5116569 | Austenitic steel excellent in resistance to neutron irradiation embrittlement and members made of the steel | Shigeki Kasahara, Kiyotomo Nakata, Shigeo Hattori | 1992-05-26 |
| 5109312 | Magnetic recording apparatus and magnetic head with superconducting material | Takahiko Kato, Takao Imagawa, Katsuzo Aihara | 1992-04-28 |
| 5096882 | Process for controlling oxygen content of superconductive oxide, superconductive device and process for production thereof | Takahiko Kato, Katsuzo Aihara, Yutaka Misawa, Yoshihide Wadayama, Masahiro Ogihara +6 more | 1992-03-17 |
| 4842814 | Nuclear reactor fuel assembly | Iwao Takase, Masahisa Inagaki, Masayoshi Kanno, Toshimi Yoshida, Isao Masaoka +3 more | 1989-06-27 |
| 4810461 | Zirconium-based alloy with high corrosion resistance | Masahisa Inagaki, Iwao Takase, Masayoshi Kanno, Kimihiko Akahori, Isao Masaoka +2 more | 1989-03-07 |
| 4348041 | Butt welded tubular structure of austenite stainless steel | Katsuyuki Imai, Isao Masaoka, Yochiteru Chiba, Masayoshi Kanno, Hisao Itow | 1982-09-07 |
| 4223197 | Method of cooling weld in steel piping and apparatus therefor | Katsuyuki Imai, Isao Masaoka, Yositeru Chiba | 1980-09-16 |