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USPTO Patent Rankings Data through Dec 31, 2025
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Hiroji Ebe — 10 Patents

Fujitsu Limited: 10 patents #3,161 of 24,456Top 15%
TTThe University Of Tokyo: 4 patents #204 of 2,633Top 8%
Kawasaki, JP: #2,815 of 15,035 inventorsTop 20%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Hiroji Ebe has been granted 10 US patents while listed as an inventor at Fujitsu Limited. The first was granted in 1994 and the most recent in May 2012. Hiroji Ebe ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Hiroji Ebe in Kawasaki, JP.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
8183073 Method of manufacturing a semiconductor device with quantum dots formed by self-assembled growth Yasuhiko Arakawa, Denis Guimard, Shiro Tsukamoto, Mitsuru Sugawara 2012-05-22
7892871 Method of manufacturing semiconductor device with quantum dots formed by self-assembled growth Yasuhiko Arakawa, Denis Guimard, Shiro Tsukamoto, Mitsuru Sugawara 2011-02-22
7829880 Quantum dot semiconductor device Kenichi Kawaguchi, Ken Morito, Yasuhiko Arakawa 2010-11-09
7456422 Semiconductor device Ayahito Uetake, Kenichi Kawaguchi 2008-11-25
7015498 Quantum optical semiconductor device Yoshiaki Nakata, Mitsuru Sugawara, Takashi Kita, Osamu Wada, Yasuhiko Arakawa 2006-03-21
6992320 Semiconductor optical device with quantum dots having internal tensile or compressive strain Yoshiaki Nakata, Tomoyuki Akiyama 2006-01-31
6445000 Photodetecting device Prafulla Masalkar 2002-09-03
5728425 Method for chemical vapor deposition of semiconductor films by separate feeding of source gases and growing of films Akira Sawada, Hiroshi Takigawa 1998-03-17
5394826 Method of (111) group II-VI epitaxial layer grown on (111) silicon substrate Akira Sawada 1995-03-07
5302232 (111) Group II-VI epitaxial layer grown on (111) silicon substrate Akira Sawada 1994-04-12