Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Taichi EJIRI — 10 Patents

BUBuffalo: 8 patents #3 of 80Top 4%
Kioxia: 2 patents #693 of 1,813Top 40%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Taichi EJIRI has been granted 10 US patents while listed as an inventor at Buffalo. The first was granted in 2012 and the most recent in February 2025. Taichi EJIRI ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Taichi EJIRI in Kawasaki, MH, JP.

Patents per Year

Patents granted per year, 2012 to 2025Bar chart with a peak of 5 patents in 2012.peak 52012: 5 patents20122013: 3 patents20132023: 1 patents20232025: 1 patents2025

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
12231537 Memory system encrypting data 2025-02-18
11588634 Storage device and controlling method Takeyuki Minamimoto, Teruji Yamakawa 2023-02-21
8429427 Storage device 2013-04-23
8413242 External storage device and method of controlling the device Tsukasa Ito, Suguru Ishii 2013-04-02
8380666 File management device and storage device for managing mapping information between a first file system and a second file system 2013-02-19
8307132 Control of an external storage device with a plurality of storage units Masahiko Horibe, Tsukasa Ito 2012-11-06
8301814 Management of storage media device connected to a root hub 2012-10-30
8195862 Storage device having a plurality of interfaces for connection to an external device 2012-06-05
8166317 System for reducing standby power in an AC adapter that supply power to a USB device Tsukasa Ito, Masahiko Horibe, Suguru Ishii 2012-04-24
8145857 Control of access to an external storage device Masahiko Horibe, Tsukasa Ito 2012-03-27