HS

Hajime Shimamura

OC Oki Electric Industry Co.: 8 patents #196 of 2,807Top 7%
OC Oki Semiconductor Co.: 4 patents #35 of 526Top 7%
Overall (All Time): #386,287 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
7893794 Branching filter package Wataru Ohashi, Tomokazu Komazaki, Yoshiaki Fujita 2011-02-22
7859362 Branching filter package Wataru Ohashi, Tomokazu Komazaki, Yoshiaki Fujita 2010-12-28
7679472 Branching filter package Wataru Ohashi, Tomokazu Komazaki, Yoshiaki Fujita 2010-03-16
7602263 Branching filter package Wataru Ohashi, Tomokazu Komazaki, Yoshiaki Fujita 2009-10-13
7479845 Branching filter package Wataru Ohashi, Tomokazu Komazaki, Yoshiaki Fujita 2009-01-20
6937113 Branching filter package Wataru Ohashi, Tomokazu Komazaki, Yoshiaki Fujita 2005-08-30
6870440 Saw branching filter with a branching filter circuit formed on the package Tomokazu Komazaki, Yoshiaki Fujita 2005-03-22
6377140 Saw resonator filter with bridged-T configuration Hisanori Ehara, Yoshiaki Fujita, Tomokazu Komazaki 2002-04-23
RE37639 Surface-acoustic-wave filters with poles of attenuation created by impedance circuits Hisanori Ehara, Kazushige Noguchi, Yoshio Okada, Tomokazu Komazaki 2002-04-09
6222426 Branching filter with a composite circuit of an LC circuit and a serial arm saw resonator Tomokazu Komazaki, Yoshiaki Fujita 2001-04-24
6208223 Receiving filter of a saw separator with greater electrode interdigitated width in first stage parallel resonator Yoshiaki Fujita, Masaaki Umezawa, Tomokazu Komazaki 2001-03-27
5949305 Saw filter encapsulated in a ceramic package with capacitance incorporated therein 1999-09-07
5905418 Surface-acoustic-wave filters with poles of attenuation created by impedance circuits Hisanori Ehara, Kazushige Noguchi, Yoshio Okada, Tomokazu Komazaki 1999-05-18