TN

Takumi Namekawa

SO Sony: 25 patents #1,512 of 25,231Top 6%
UL Ulvac: 2 patents #199 of 680Top 30%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #139,661 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
6109740 Method and apparatus for supplying ink to a printer Hiroshi Tokunaga, Shinichi Horii 2000-08-29
5230574 Recording apparatus having a compound movement print head 1993-07-27
4479730 Ribbon cartridge Satoru Yoshioka, Iwao Mitsuki 1984-10-30