SW

Seishi Watahiki

HI Hitachi: 6 patents #6,582 of 28,497Top 25%
TC Tokyo Gas Co.: 1 patents #144 of 412Top 35%
📍 Hitachinaka, JP: #760 of 2,447 inventorsTop 35%
Overall (All Time): #888,712 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5640462 Imaging method of X-ray computerized tomography and apparatus for X-ray computerized tomography Katsutoshi Sato, Shigeru Izumi, Shoji Kamata, Hiroshi Miyai, Hiroshi Kitaguchi +1 more 1997-06-17
4918283 Method of and apparatus for conducting plasma welding Takashi Yamade, Yasuzi Sakuma, Masayoshi Yamaguchi, Shinichi Kurita 1990-04-17
4915349 Gas governor apparatus and gas piping system Tomoaki Inoue, Yoshiaki Chiba, Kazuhiko Kawaike, Shinji Sonoda 1990-04-10
4788409 Method of and apparatus for automatically conducting all position plasma welding of pipes Takashi Yamade, Yasuzi Sakuma, Masayoshi Yamaguchi, Shinichi Kurita 1988-11-29
4770105 Piping travelling apparatus Atsushi Takagi, Shinichi Kurita, Yasuzi Sakuma, Kiyoshi Sakamoto, Chikara Sato 1988-09-13
4644791 Moving apparatus for a hollow curved pipe-arrangement and an operating method in the pipe-arrangement by using the moving apparatus Shinji Sonoda, Norihiko Ozaki, Yasuzi Sakuma, Masayoshi Yamaguchi 1987-02-24