SA

Shigeo Araki

Ricoh Company: 19 patents #1,131 of 9,818Top 15%
SO Sony: 7 patents #6,034 of 25,231Top 25%
TA Tdk Electronics Ag: 1 patents #234 of 503Top 50%
Overall (All Time): #145,007 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
4802128 Bit line driver Kazuo Watanabe, Shumpei Kohri 1989-01-31
4338510 Electrode type steam vaporizer having corrosion resistant nickel ferrite electrodes and a protective cover Masao Chihara, Kazuhiko Asakawa 1982-07-06