Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
AT

Akio Tajima

NENec: 69 patents #38 of 14,502Top 1%
SCSeikosha Co.: 19 patents #11 of 312Top 4%
JNJnc: 7 patents #47 of 413Top 15%
TCTaiho Industries Co.: 2 patents #14 of 65Top 25%
KFKwansei Gakuin Educational Foundation: 2 patents #21 of 71Top 30%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
SCSk Materials Jnc Co.: 2 patents #10 of 25Top 40%
TOTokkyokiki: 1 patents #11 of 18Top 65%
SPSeiko Precision: 1 patents #81 of 173Top 50%
JAJapan Science And Technology Agency: 1 patents #756 of 2,171Top 35%
Overall (All Time): #13,661 of 4,157,543Top 1%
103 Patents All Time

Issued Patents All Time

Showing 101–103 of 103 patents

Patent #TitleCo-InventorsDate
4793605 Paper detector of printer 1988-12-27
4738554 Means for preventing electrification of an ink ribbon cassette 1988-04-19
4688958 Paper feeding mechanism for printer 1987-08-25