HK

Haruhiko Koto

SE Seiko Epson: 12 patents #1,551 of 7,774Top 20%
EP Epson: 11 patents #1 of 66Top 2%
SS Suwa Seikosha: 11 patents #1 of 220Top 1%
Canon: 6 patents #8,497 of 19,416Top 45%
SK Shinshu Seiki Kabushiki Kaisha: 3 patents #4 of 38Top 15%
Overall (All Time): #94,916 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 26–36 of 36 patents

Patent #TitleCo-InventorsDate
4525728 Ink jet recording head 1985-06-25
4520374 Ink jet printing apparatus 1985-05-28
4502058 Low voltage ink-jet printhead 1985-02-26
4462035 Non-impact recording device 1984-07-24
4450454 Small size ink jet printer 1984-05-22
4443807 Ink jet print head 1984-04-17
4436439 Small printer 1984-03-13
4434430 Ink jet printer head 1984-02-28
4368478 Ink supply system for ink jet printers 1983-01-11
4364066 Ink jet printing head 1982-12-14
4364067 Highly integrated ink jet head Junichi Okada 1982-12-14