SK

Seishin Kirihara

HI Hitachi: 13 patents #3,142 of 28,497Top 15%
BA Babcock-Hitachi: 2 patents #128 of 415Top 35%
Overall (All Time): #391,106 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
5242264 Machine on ground provided with heat resistant wall used for isolating from environment and heat resistant wall used therefor Yoshitaka Kojima, Noriyuki Ohnaka, Shizuka Yamaguchi, Shoichi Nakashima, Sai Ogawa +1 more 1993-09-07
4802894 Method of using a structural member of anti-sulfur-attack cr-ni-al-si alloy steel for coal gasification system Kenichi Usami, Tadaoki Morimoto, Hiroyuki Doi, Michiya Okada 1989-02-07
4585478 Heat resisting steel Takatoshi Yoshioka, Masao Siga, Mitsuo Kuriyama, Takehiko Yoshida, Takanori Murohoshi 1986-04-29
4581067 High-strength austenitic steel Katsumi Iijima, Norio Yamada, Masao Shiga, Masayuki Sukekawa, Takatoshi Yoshioka +1 more 1986-04-08
4566810 Steam turbine rotor shaft Takatoshi Yoshioka, Masao Shiga, Katsumi Iijima, Katsukuni Hisano, Ryoichi Kaneko 1986-01-28
4505232 Boiler tube Kenichi Usami, Hiroyuki Doi, Choichi Asano, Masayuki Sukekawa, Yasuhide Sakaguchi 1985-03-19
4504554 Rotor shaft of steam turbine Takatoshi Yoshioka, Masao Siga, Takehiko Yoshida, Katsukuni Hisano, Toshimi Tan +1 more 1985-03-12
4497670 Rotor shaft and manufacturing method thereof Masao Siga, Takatoshi Yoshioka, Katsukuni Hisano, Toshimi Tan, Yoji Akutsu +1 more 1985-02-05
4477280 Heat resisting steel Masao Shiga, Mitsuo Kuriyama, Takatoshi Yoshioka, Ryoichi Sasaki 1984-10-16
4443406 Heat-resistant and corrosion-resistant weld metal alloy and welded structure Masayuki Sukekawa, Yoshimitsu Tobita, Hisashi Morimoto, Kenichi Usami, Katsumi Iijima 1984-04-17
4426162 Rotor shaft Keiichi Tsuchiya, Katsukuni Hisano, Toshimi Tan, Masahiro Kobayashi, Kei Kobayashi +3 more 1984-01-17
4414024 Martensitic heat-resistant steel Masao Siga, Mitsuo Kuriyama, Takatoshi Yosioka, Shintaro Takahashi, Takehiko Yoshida 1983-11-08
4348131 Welded structure having improved mechanical strength and process for making same Shizuka Shimanuki, Toshimi Matsumoto, Hiroshi Sato, Tsutomu Onuma 1982-09-07