Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Bunitsu Ando — 3 Patents

Hitachi: 3 patents #10,718 of 28,497Top 40%
Hiratsuka, JP: #1,061 of 2,583 inventorsTop 45%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Bunitsu Ando has been granted 3 US patents while listed as an inventor at Hitachi. The first was granted in 2010 and the most recent in November 2012. Bunitsu Ando ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Bunitsu Ando in Hiratsuka, JP.

Patents per Year

Patents granted per year, 2010 to 2012Bar chart with a peak of 1 patents in 2010.peak 12010: 1 patents20102011: 1 patents20112012: 1 patents2012

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8312312 Data storage system using multiple communication protocols Yoshihiro Oikawa, Ikuya Yagisawa 2012-11-13
7904744 Data storage using multiple protocols Yoshihiro Oikawa, Ikuya Yagisawa 2011-03-08 $86,000
7685342 Storage control apparatus and method for controlling number of commands executed in storage control apparatus Shinjiro Shiraki, Koji Iwamitsu, Hidekazu Aoyama 2010-03-23 $80,000