AS

Atsushi Sumioka

HI Hitachi: 8 patents #5,191 of 28,497Top 20%
HD Hitachi Denshi: 6 patents #16 of 275Top 6%
HS Hitachi Communication Systems: 1 patents #34 of 83Top 45%
HE Hitachi Kokusai Electric: 1 patents #493 of 843Top 60%
HS Hitachi Video And Information Systems: 1 patents #142 of 269Top 55%
📍 Kokubunji, JP: #203 of 714 inventorsTop 30%
Overall (All Time): #586,811 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6774536 Surface acoustic wave device Tsuyoshi Kachi, Atsushi Isobe 2004-08-10
6346761 Surface acoustic wave device capable of suppressing spurious response due to non-harmonic higher-order modes Atsushi Isobe, Mitsutaka Hikita, Kengo Asai 2002-02-12
5438305 High frequency module including a flexible substrate Mitsutaka Hikita, Takatoshi Akagi, Toyoji Tabuchi, Nobuhiko Shibagaki 1995-08-01
5010269 SAW resonator having a broad bandwidth Mitsutaka Hikita, Toyoji Tabuchi, Kazuhito Kurosawa, Tuneo Kinoshita 1991-04-23
4906885 Electrode material for surface acoustic wave devices and surface acoustic wave device using the same Hiroomi Kojima, Toyoji Tabuchi, Mitsutaka Hikita, Kazuhito Kurosawa 1990-03-06
4792939 Duplex radio communication transceiver Mitsutaka Hikita, Yoshikatu Ishida, Kunihiro Hamada, Yutaka Chiba, Yoshio Abe 1988-12-20
4734664 Surface acoustic wave resonator Mitsutaka Hikita, Yoshikatu Ishida 1988-03-29
4476466 Driving method of gas-discharge display panel Eisuke Mitani, Yukio Okamoto 1984-10-09
4333040 Gas discharge display device Yukio Okamoto, Eisuke Mitani, Tadao Okabe 1982-06-01