YI

Yuichi Ishikawa

Sumitomo Electric Industries: 25 patents #692 of 21,551Top 4%
HI Hitachi: 20 patents #1,757 of 28,497Top 7%
AN Alaxala Networks: 9 patents #9 of 140Top 7%
NE Nec: 9 patents #1,539 of 14,502Top 15%
OM Omron: 3 patents #980 of 3,089Top 35%
JR Japanese Foundation For Cancer Research: 2 patents #19 of 125Top 20%
SU Subaru: 2 patents #474 of 1,684Top 30%
NC Nippon Seiko Co.: 2 patents #67 of 315Top 25%
SO Sony: 1 patents #17,262 of 25,231Top 70%
DC Dowa Holdings Co.: 1 patents #27 of 77Top 40%
EU Educational Foundation Jichi Medical University: 1 patents #13 of 22Top 60%
TI Toyota Industries: 1 patents #904 of 1,610Top 60%
OL Olympus: 1 patents #2,078 of 3,097Top 70%
SI Seiko Instruments: 1 patents #836 of 1,437Top 60%
AT Agency Of Industrial Science And Technology: 1 patents #568 of 1,778Top 35%
TO Tokico: 1 patents #164 of 359Top 50%
Overall (All Time): #23,849 of 4,157,543Top 1%
78
Patents All Time

Issued Patents All Time

Showing 76–78 of 78 patents

Patent #TitleCo-InventorsDate
4841408 Electroconductive sliding apparatus Shigeki Matsunaga, Masachi Hosoya 1989-06-20
4433093 Anti-crevice corrosion sealant and method for anti-crevice corrosion Shigeru Shida, Nobuyoshi Hosaka, Osamu Nishida 1984-02-21
4211276 Method of making fin elements for heat exchangers Masaaki Itoh, Tsuneyoshi Takasuna, Hideyuki Kimura, Masanori Musoh 1980-07-08