HN

Hirotaka Nishikawa

HM Howa Machinery: 4 patents #14 of 89Top 20%
TC Toyo Seikan Co.: 2 patents #321 of 888Top 40%
HK Howa Kogyo Kabushiki Kaisha: 1 patents #5 of 21Top 25%
KC Kobayashi Pharmaceutical Co.: 1 patents #50 of 117Top 45%
Overall (All Time): #622,084 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
D998452 Box for packaging 2023-09-12
5351039 Toolholder device for machine tools Tetsuya Oketani, Yoshiaki Mase, Yukihiro Sakakibara 1994-09-27
5341633 Apparatus for winding a roving applied to a roving frame Yoshio Kurachi, Takashi Kogiso, Shigeki Sekiya, Teruhiko Sato, Hideki Hashimoto +2 more 1994-08-30
5155473 Torque and thrust overload detection system for a machine tool Tetsuya Oketani, Yoshiaki Mase 1992-10-13
4890452 Apparatus for controlling operation of spinning frame in roving bobbin exchange system Sadao Ukai, Kanehiro Ito 1990-01-02
4578981 Apparatus for supporting ram Yoshibumi Arai 1986-04-01
4569192 Apparatus for producing special yarns Yoshiharu Yamada, Hachirou Yokoyama 1986-02-11
4562720 Ironing apparatus 1986-01-07