Hitoshi Abiko has been granted 10 US patents while listed as an inventor at Nec . The first was granted in 1997 and the most recent in May 2010. Hitoshi Abiko ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Hitoshi Abiko in Tokyo, JP.
Patents per Year Patents granted per year, 1997 to 2010 Bar chart with a peak of 2 patents in 1997. peak 2 1997: 2 patents 1997 1999: 1 patents 1999 2000: 1 patents 2000 2001: 2 patents 2001 2003: 2 patents 2003 2010: 2 patents 2010
Issued Patents All Time
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Showing 1–10 of 10 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
7719042 Semiconductor device Yasuhiro Kawakatsu , Hirofumi Nikaido , Nobuyuki Katsuki , Michihiro Kobayashi 2010-05-18
7701026 Imaging device — 2010-04-20
6559495 Semiconductor memory cell device — 2003-05-06
$9,000
6544827 Metal-gate field effect transistor and method for manufacturing the same — 2003-04-08
$10,000
6309515 Sputtering apparatus for sputtering high melting point metal and method for manufacturing semiconductor device having high melting point metal Ken Inoue , Minoru Higuchi 2001-10-30
$32,000
6281094 Method of fabricating semiconductor device capable of providing MOSFET which is improved in a threshold voltage thereof Minoru Higuchi 2001-08-28
$25,000
6051472 Semiconductor device and method of producing the same Isami Sakai 2000-04-18
$91,000
5937286 Method for manufacturing semiconductor device — 1999-08-10
$19,000
5691225 Method for fabricating semiconductor device having CMOS structure — 1997-11-25
$13,000
5677233 Process of fabricating semiconductor device having isolating oxide rising out of groove — 1997-10-14
$17,000
