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

Yuichiro Ishii

RERenesas Electronics: 44 patents #19 of 4,529Top 1%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
RTRenesas Technology: 2 patents #1,374 of 3,337Top 45%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Denso: 1 patents #6,940 of 11,792Top 60%
UMUnited Microelectronics: 1 patents #2,686 of 4,560Top 60%
Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #50,769 of 4,157,543Top 2%
52 Patents All Time

Issued Patents All Time

Showing 51–52 of 52 patents

Patent #TitleCo-InventorsDate
5910116 Ultrasonic diagnostic apparatus that regenerates image signals according to a non-interlace scheme 1999-06-08
5421332 Ultrasound imaging device in medicine displaying freeze-frame without flickering Wataru Yagi 1995-06-06