YH

Yasuhiko Hagihara

NE Nec: 15 patents #768 of 14,502Top 6%
EM Elpida Memory: 4 patents #159 of 692Top 25%
Overall (All Time): #322,913 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
9343902 Uninterruptible power supply apparatus and control method 2016-05-17
8065645 Logic circuit, logic circuit design method, logic circuit design system, and logic circuit design program Shigeto Inui 2011-11-22
7352067 Stacked semiconductor device Muneo Fukaishi, Hideaki Saito, Masayuki Mizuno, Hiroaki Ikeda, Kayoko Shibata 2008-04-01
7330368 Three-dimensional semiconductor device provided with interchip interconnection selection means for electrically isolating interconnections other than selected interchip interconnections Hideaki Saito, Muneo Fukaishi, Masayuki Mizuno, Hiroaki Ikeda, Kayoko Shibata 2008-02-12
7236006 Logic circuit, logic circuit design method, logic circuit design system, and logic circuit design program Shigeto Inui 2007-06-26
7221614 Stacked semiconductor memory device Hideaki Saito, Muneo Fukaishi, Masayuki Mizuno, Hiroaki Ikeda, Kayoko Shibata 2007-05-22
7209376 Stacked semiconductor memory device Hideaki Saito, Muneo Fukaishi, Masayuki Mizuno, Hiroaki Ikeda, Kayoko Shibata 2007-04-24
6918050 Delay adjustment circuit and a clock generating circuit using the same Atsushi Yoshikawa 2005-07-12
6429688 Semiconductor integrated circuit 2002-08-06
6329844 Semiconductor integrated circuit 2001-12-11
6229340 Semiconductor integrated circuit 2001-05-08
5430668 Floating point multiplier capable of easily performing a failure detection test 1995-07-04
5426598 Adder and multiplier circuit employing the same 1995-06-20
5331581 Artificial random-number pattern generating circuit Chie Ohkubo 1994-07-19
5231415 Booth's multiplying circuit 1993-07-27