AH

Akihiro Hirota

OC Oki Semiconductor Co.: 5 patents #23 of 526Top 5%
OC Oki Electric Industry Co.: 4 patents #523 of 2,807Top 20%
TO Toyota: 4 patents #6,703 of 26,838Top 25%
LC Lapis Semiconductor Co.: 2 patents #112 of 349Top 35%
PT Powerchip Technology: 1 patents #61 of 138Top 45%
Overall (All Time): #274,111 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10818337 Semiconductor memory device for preventing occurrence of row hammer issue Bunsho Kuramori, Mineo Noguchi, Masahiro Ishihara, Mitsuru Yoneyama, Takashi Kubo +3 more 2020-10-27
10173730 Vehicle front structure 2019-01-08
9865327 Semiconductor memory apparatus 2018-01-09
9643516 Vehicle drive battery attachment structure 2017-05-09
9387883 Vehicle front portion structure Masakazu Shirooka 2016-07-12
8863878 Vehicle battery mounting structure Masakazu Shirooka 2014-10-21
8743648 Internal power source voltage generating circuit of semiconductor memory and method for generating internal power source voltage 2014-06-03
8547082 Semiconductor device and pulse width detection method 2013-10-01
8243531 Reference potential generating circuit of semiconductor memory 2012-08-14
8233346 Start-up circuit of internal power supply of semiconductor memory 2012-07-31
8225149 Semiconductor testing apparatus and method 2012-07-17
8179738 Internal power supply control circuit of semiconductor memory 2012-05-15
7965065 Trimming circuit 2011-06-21
6791894 DRAM power-source controller that reduces current consumption during standby Wataru Nagai, Junichi Suyama 2004-09-14
6574150 Dynamic random access memory with low power consumption Junichi Suyama, Wataru Nagai, Shota Ohtsubo 2003-06-03
6438061 Dynamic random access memory with low power consumption Junichi Suyama, Wataru Nagai, Shota Ohtsubo 2002-08-20
5949729 Memory device with current limiting feature Junichi Suyama, Kazukiyo Fukudome 1999-09-07