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

Junichi Iwai — 22 Patents

Sony: 14 patents #3,127 of 25,231Top 15%
KTKeysight Technologies: 3 patents #75 of 567Top 15%
TWThe Japan Steel Works: 3 patents #88 of 643Top 15%
SCShinko Electric Industries Co.: 2 patents #392 of 723Top 55%
TITexas Instruments: 1 patents #7,388 of 12,488Top 60%
BABorealis Ag: 1 patents #469 of 358Top 135%
Hiroshima, JP: #166 of 4,738 inventorsTop 4%
Overall (All Time): #189,202 of 4,157,543Top 5%
22 Patents All Time
Junichi Iwai has been granted 22 US patents while listed as an inventor at Sony. The first was granted in 1991 and the most recent in November 2023. Junichi Iwai ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list Junichi Iwai in Hiroshima, JP.

Patents per Year

Patents granted per year, 1991 to 2023Bar chart with a peak of 4 patents in 2011.peak 41991: 1 patents19911992: 1 patents2000: 1 patents20002006: 1 patents2007: 2 patents20072009: 1 patents2011: 4 patents20112012: 3 patents2013: 2 patents20132015: 2 patents2016: 1 patents20162019: 1 patents2021: 1 patents20212023: 1 patents2023

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11815540 System and method for noise measurement 2023-11-14 $145,399,000
11095376 System and method for measuring residual phase noise of a frequency mixer Joel . P Dunsmore, Koji Murata 2021-08-17 $53,528,000
10474775 Method and system for modeling an electronic device under test (DUT) using a kernel method Sho Okuyama 2019-11-12 $47,359,000
9248585 Granulation method using an underwater cutting (UWC) device Seiji Takamoto, Fumio Kobayashi, Reo Fujita, Shigeki Inoue 2016-02-02
8965122 Signal processing apparatus and method, and program Ko Ishimoto, Koichiro Kakinuma, Takehiro Nakatsue, Tatsuhiko Matsumoto, Shuichi Haga +9 more 2015-02-24 $410,000
8929653 Signal processing apparatus and method, and program Ko Ishimoto, Koichiro Kakinuma, Takehiro Nakatsue, Tatsuhiko Matsumoto, Shuichi Haga +9 more 2015-01-06 $278,000
8602563 Projection image display apparatus and projection optical system Jun Nishikawa, Hideki Yamamoto 2013-12-10 $112,000
8600160 Signal processing apparatus and method, and program Ko Ishimoto, Koichiro Kakinuma, Takehiro Nakatsue, Tatsuhiko Matsumoto, Shuichi Haga +9 more 2013-12-03 $135,000
8330879 Projection display apparatus Hideki Yamamoto, Yuji Manabe 2012-12-11 $87,000
8208721 Signal processing apparatus and method, and program Ko Ishimoto, Koichiro Kakinuma, Takehiro Nakatsue, Tatsuhiko Matsumoto, Shuichi Haga +9 more 2012-06-26 $118,000
8111339 Liquid crystal projector and control method for liquid crystal projector Hideo Tomita 2012-02-07 $246,000
8079747 Counter-rotating twin screw extruder Carl-Gustaf Ek, Yutaka Mizutani, Takayuki Yamazawa, Shigeki Inoue, Arne Syre +1 more 2011-12-20
7887189 Projection type display apparatus which detects light emitted from a face of a beam splitter and method thereof Satoru Mizouchi 2011-02-15 $319,000
7885461 Signal processing apparatus and method, and program Ko Ishimoto, Koichiro Kakinuma, Takehiro Nakatsue, Tatsuhiko Matsumoto, Shuichi Haga +9 more 2011-02-08 $301,000
7867123 Drive apparatus for an extruder Yasufumi Fujita, Yukio Fukuchi 2011-01-11
7616812 Signal processing apparatus and method, and program Ko Ishimoto, Koichiro Kakinuma, Takehiro Nakatsue, Tatsuhiko Matsumoto, Shuichi Haga +9 more 2009-11-10 $743,000
7199849 Projector and phase difference plate and method of arranging phase difference plate Hideki Yamamoto 2007-04-03 $995,000
7164815 Manufacturing method of an optical waveguide Kenji Yanagisawa 2007-01-16 $149,000
7029185 Optical chip module and optical chip module device 2006-04-18 $101,000
6089717 Projector apparatus 2000-07-18
5148285 Image display apparatus with increased raster scan rate of laser beams Yasuaki Nakane, Senri Miyaoka, Sakuya Tamada, Hiroshi Nakayama, Shuichi Igarashi 1992-09-15 $92,000
5044710 Laser beam deflection apparatus Yasuaki Nakane, Hiroshi Nakayama, Shuichi Igarashi 1991-09-03 $165,000