RS

Ryoichi Shibata

HI Hitachi: 8 patents #5,191 of 28,497Top 20%
KC Kuken Co.: 2 patents #2 of 9Top 25%
Overall (All Time): #471,756 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
6546815 Reading method of screw rotation angle of hand-held impact wrench, hand-vibration detection method, tightening evaluation method and control method of hand-held power screw loosening tool Masakazu Yamada, Yoshihiko Nagare 2003-04-15
6478075 Die-casting method and die-castings obtained thereby Takeo Kaneuchi 2002-11-12
5979534 Die casting method Tomomi Souda, Takao Kaneuchi, Hideya Yamane 1999-11-09
5595615 High toughness and high strength aluminum alloy casting Rikizou Watanabe 1997-01-21
5579825 Die casting method and die casting machine Takao Kaneuchi 1996-12-03
4888464 Heat roll for electrophotography Kiyoshi Kinugawa, Tsutomu Iimura, Yasuo Sawano 1989-12-19
4874927 Heating roll for fixing toner Toshiyuki Kasakoshi 1989-10-17
4776070 Directly-heating roller for fixing toner images Tsutomu Iimura 1988-10-11
4724305 Directly-heating roller for fuse-fixing toner images Tsutomu Iimura, Yukiharu Takada 1988-02-09
4557337 Impact wrench 1985-12-10
4460049 Impact wrench 1984-07-17