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

Junya Ishii — 5 Patents

NENec Electronics: 2 patents #384 of 1,789Top 25%
RERenesas Electronics: 1 patents #2,739 of 4,529Top 65%
SCSakai Chemical Industry Co.: 1 patents #121 of 227Top 55%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Yokohama, JP: #16,650 of 49,234 inventorsTop 35%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Junya Ishii has been granted 5 US patents while listed as an inventor at Nec Electronics. The first was granted in 1995 and the most recent in January 2017. Junya Ishii ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Junya Ishii in Yokohama, JP.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9559063 Semiconductor device having crack-resisting ring structure and manufacturing method thereof Takeshi Watanabe, Hirofumi Saitou, Hiroyasu Kitajima, Tatsuki Kojima, Yoshitsugu Kawashima 2017-01-31
8580148 Phosphor and method for producing same Seiko Hirayama, Keita Kobayashi, Mizuho Wada, Shinji Nakahara 2013-11-12
6815325 Semiconductor device and test method for manufacturing same 2004-11-09 $26,000
6653729 Semiconductor device and test method for manufacturing same 2003-11-25 $39,000
5461352 Co-planar and microstrip waveguide bandpass filter Yasumasa Noguchi, Hideyuki Miyake, Yukihiro Takeda 1995-10-24 $66,000