AM

Akira Matsuzawa

SE Seiko Epson: 3 patents #91 of 763Top 15%
Sumitomo Electric Industries: 1 patents #1,140 of 3,352Top 35%
Overall (2002): #17,691 of 266,432Top 7%
4
Patents 2002

Issued Patents 2002

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6424184 FREQUENCY-VOLTAGE CONVERSION CIRCUIT, DELAY AMOUNT JUDGEMENT CIRCUIT, SYSTEM HAVING FREQUENCY-VOLTAGE CONVERSION CIRCUIT, METHOD OF ADJUSTING INPUT/OUTPUT CHARACTERISTICS OF FREQUENCY-VOLTAGE CONVERSION CIRCUIT, AND APPARATUS FOR AUTOMATICALLY ADJUSTING INPUT Akira Yamamoto, Shiro Sakiyama, Hiroyuki Nakahira, Masaru Fukuda, Shiro Dosho +1 more 2002-07-23
6416680 Ink-jet recording head, its manufacturing method and ink-jet recording device Toyohiko Mitsuzawa, Fujio Akahane, Shinri Sakai 2002-07-09
6390608 Ink jet recording head, its manufacturing method and inkjet recording device Toyohiko Mitsuzawa, Fujio Akahane, Shinri Sakai 2002-05-21
6378996 Ink-jet recording head and ink-jet recording apparatus Masato Shimada, Yoshinao Miyata, Tsutomu Nishiwaki 2002-04-30