MH

Masahiro Hirayama

SI Sumitomo Electric Device Innovations: 11 patents #4 of 208Top 2%
IC Itt Cannon: 2 patents #1 of 19Top 6%
SC Showa Electric Wire & Cable Co.: 2 patents #7 of 169Top 5%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
IE Itt Manufacturing Enterprises: 1 patents #577 of 1,404Top 45%
FC Funai Electric Co.: 1 patents #624 of 943Top 70%
IT Itt: 1 patents #249 of 721Top 35%
Overall (All Time): #250,298 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12094840 Semiconductor device capable of realizing a wide band impedance matching 2024-09-17
11811191 Optical semiconductor device and carrier 2023-11-07
11604370 Optical modulator carrier assembly and optical module 2023-03-14
11469192 Semiconductor device capable of realizing a wide band impedance matching 2022-10-11
10411432 Optical transmitter providing coplanar line on carrier 2019-09-10
10396898 Optical module and optical transmitting apparatus installing a number of optical modules Shuichi Kubota 2019-08-27
10177529 Optical transmitter providing coplanar line on carrier 2019-01-08
9673496 Signal transmission line 2017-06-06
9502745 Flexible substrate having a microstrip line connected to a connection portion with a specified conductor pattern 2016-11-22
9270001 Flexible circuit board 2016-02-23
8830552 Optical modulation device Tsutomu Abe 2014-09-09
7590033 Optical disc reproducing apparatus 2009-09-15
6016962 IC communication card Eiichi Nakata 2000-01-25
5903369 Optical wireless communication method and apparatus Eiichi Nakata, Kazuhiro Aoyagi 1999-05-11
5736727 IC communication card Eiichi Nakata 1998-04-07
5706115 Optical wireless communication method and apparatus Eiichi Nakata, Kazuhiro Aoyagi 1998-01-06
5594902 Custom service control system Takashi Nishigaya, Akira Hakata, Naoto Itoh, Toshihiro Ide 1997-01-14
D370904 Rear portion of an optical communication card Eiichi Nakata 1996-06-18