HK

Haruo Kubo

NC Nitto Kohki Co.: 3 patents #51 of 144Top 40%
TK Toyo Boseki Kabushiki Kaisha: 2 patents #343 of 1,085Top 35%
📍 Toyohashi, JP: #267 of 1,141 inventorsTop 25%
Overall (All Time): #1,053,121 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5816093 Method and tool for forming a tapered hole in a cylindrical work by punching extruding Hirosato Takeuchi, Shigeru Yasuda 1998-10-06
4988129 Fluid pipe coupling Noboru Saito, Naoyuki Kotake, Makoto Nagumo 1991-01-29
4918969 Forging method for a hollow article Hirosato Takeuchi, Yutaka Tanaka, Osahiko Miyazaki, Noboru Saito, Naoyuki Kotake +1 more 1990-04-24
4891659 Continuous plate making method for photosensitive resin plate and device thereof Kosaku Onodera 1990-01-02
4733260 Continuous plate making method for photosensitive resin plate and device thereof Kosaku Onodera 1988-03-22