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USPTO Patent Rankings Data through Dec 31, 2025
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Hidetoshi Kitajima — 3 Patents

Hitachi: 2 patents #13,405 of 28,497Top 50%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Miyoshi, JP: #782 of 2,464 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Hidetoshi Kitajima has been granted 3 US patents while listed as an inventor at Hitachi. The first was granted in 2001 and the most recent in February 2010. Hidetoshi Kitajima ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Hidetoshi Kitajima in Miyoshi, JP.

Patents per Year

Patents granted per year, 2001 to 2010Bar chart with a peak of 1 patents in 2001.peak 12001: 1 patents20012006: 1 patents20062010: 1 patents2010

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7660576 Portable information terminal and information transmitting method Seishi Hanaoka, Minoru Ikeda, Koji Suzuki 2010-02-09 $87,000
6996423 Portable information terminal and information transmitting method Seishi Hanaoka, Minoru Ikeda, Koji Suzuki 2006-02-07 $171,000
6273704 Casting apparatus for formation of resin-made membrane Hideo Kometani, Takuya Gotou, Haruki Nakao, Daisuke Ooi 2001-08-14

Frequent Collaborators

Koji Suzuki2 shared
Seishi Hanaoka2 shared
Minoru Ikeda2 shared
Haruki Nakao1 shared
Takuya Gotou1 shared
Daisuke Ooi1 shared

Nearby-Ranked Inventors

Daniel Silion3
Hangfeng Li3
Mark Vander Wal3
Chad M. Goltzman3
Sathish Kumar Thanganathan3
Debbie Maloyd3
Ethan Alexander Garrett3
Paul Sabatka3
Sergii Bomko3