NT

Nobuyuki Tobita

HC Hitachi Construction Machinery Co.: 3 patents #381 of 1,234Top 35%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
NP Nippon Telegraph And Telephone Public: 2 patents #129 of 842Top 20%
Overall (All Time): #1,281,709 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5861577 Seal structure for member-passing-through hole bored in metal partition member Morio Tamura, Ken Ichiryu, Kiyoshi Tanaka, Kouji Harada, Hisanobu Kanamaru 1999-01-19
5144843 Pressure sensor Morio Tamura, Fujio Sato, Hisayoshi Hashimoto, Ken Ichiryu, Kazuyoshi Hatano +1 more 1992-09-08
4653594 Vibration generating apparatus Hiroshi Yamamoto, Shuichi Satoh, Yoshiyuki Iwai, Osamu Ae, Masao Suda +6 more 1987-03-31
4571122 Pipe laying apparatus Hiroshi Yamamoto, Shuichi Satoh, Yoshiyuki Iwai, Osamu Ae, Masao Suda +6 more 1986-02-18