IM

Isao Masaoka

HI Hitachi: 15 patents #2,636 of 28,497Top 10%
Overall (All Time): #328,848 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
5316597 A nuclear reactor comprising a reactor vessel and structural members made of an austenitic stainless steel having superior resistance to irradiation-induced segregation Takahiko Kato, Shinzo Ikeda, Yasuhisa Aono, Masakiyo Izumiya, Kiyotomo Nakata +1 more 1994-05-31
5203984 Monitoring system for plant operation condition and its in-situ electrochemical electrode Masanori Sakai, Katsumi Mabuchi, Toshiaki Arato, Takuya Takahashi, Masakiyo Izumiya +7 more 1993-04-20
4979995 Member made of nickel base alloy having high resistance to stress corrosion cracking and method of producing same Shigeo Hattori, Rikizo Watanabe, Yasuhiko Mori, Ryoichi Sasaki, Hisao Itow 1990-12-25
4842814 Nuclear reactor fuel assembly Iwao Takase, Masahisa Inagaki, Masayoshi Kanno, Toshimi Yoshida, Jiro Kuniya +3 more 1989-06-27
4810461 Zirconium-based alloy with high corrosion resistance Masahisa Inagaki, Iwao Takase, Masayoshi Kanno, Jiro Kuniya, Kimihiko Akahori +2 more 1989-03-07
4718949 Method of producing a cladding tube for reactor fuel Iwao Takase, Toshimi Yoshida, Shinzo Ikeda, Junjiro Nakajima 1988-01-12
4689091 Process for producing zirconium-based alloy Toshimi Yoshida, Hideo Maki, Hajime Umehara, Tetsuo Yasuda, Iwao Takase +3 more 1987-08-25
4678521 Process for producing zirconium-based alloy and the product thereof Toshimi Yoshida, Hideo Maki, Hajime Umehara, Tetsuo Yasuda, Iwao Takase +3 more 1987-07-07
4664727 Zirconium alloy having superior corrosion resistance Masahisa Inagaki, Ryutaro Jinbo, Keiichi Kuniya, Hideo Maki 1987-05-12
4560407 Alloy for use in a radioactive ray environment and reactor core members Toshimi Yoshida, Kiyotomo Nakata, Hisawo Itow 1985-12-24
4512820 In-pile parts for nuclear reactor and method of heat treatment therefor Yasuhiko Mori, Shigeo Hattori, Hisao Itow 1985-04-23
4348041 Butt welded tubular structure of austenite stainless steel Katsuyuki Imai, Yochiteru Chiba, Masayoshi Kanno, Jiro Kuniya, Hisao Itow 1982-09-07
4234119 Method of making a structure immune against stress corrosion cracking Katsuyuki Imai 1980-11-18
4223197 Method of cooling weld in steel piping and apparatus therefor Katsuyuki Imai, Yositeru Chiba, Jiro Kuniya 1980-09-16
4218604 Method for welding of austenitic stainless steel piping Katsuyuki Imai 1980-08-19