Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
SE

Shinjiro Ejima — 1 Patent

RDRds: 1 patents #8 of 19Top 45%
Tama, JP: #259 of 402 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Shinjiro Ejima has been granted 1 US patent while listed as an inventor at Rds. All of these patents were granted in 1999. Shinjiro Ejima ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Shinjiro Ejima in Tama, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5988817 Multiprojection system Nobuyuki Mizushima, Takao Kitada, Ikunobu Usui, Yasunori Ito, Shinichi Hamabuti +1 more 1999-11-23