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

Jun Nagai — 56 Patents

Canon: 26 patents #2,269 of 19,416Top 15%
MCMurata Manufacturing Co.: 17 patents #398 of 5,295Top 8%
NINikon: 6 patents #659 of 2,493Top 30%
Sony: 5 patents #7,811 of 25,231Top 35%
KCKuraray Co.: 1 patents #981 of 1,827Top 55%
Kawasaki: 1 patents #1,551 of 2,943Top 55%
KSKawasaki Steel: 1 patents #889 of 1,922Top 50%
Chiba, JP: #88 of 6,266 inventorsTop 2%
Overall (All Time): #44,020 of 4,157,543Top 2%
56 Patents All Time
Jun Nagai has been granted 56 US patents while listed as an inventor at Canon. The first was granted in 1984 and the most recent in June 2025. Jun Nagai ranks #44,020 of 4,157,543 US inventors in our database (top 1.1%). Patent records list Jun Nagai in Chiba, JP.

Patents per Year

Patents granted per year, 1984 to 2025Bar chart with a peak of 6 patents in 2012.peak 61984: 1 patents19841992: 1 patents1993: 1 patents1994: 1 patents19941997: 1 patents1998: 3 patents1999: 1 patents19992001: 4 patents2002: 2 patents2003: 2 patents20032004: 3 patents2005: 2 patents2006: 2 patents20062007: 1 patents2009: 4 patents2010: 1 patents20102012: 6 patents2013: 2 patents2014: 3 patents20142015: 3 patents2016: 2 patents2017: 3 patents20172018: 1 patents2019: 1 patents2020: 2 patents20202021: 1 patents2024: 1 patents2025: 1 patents2025

Issued Patents All Time

Showing 1–25 of 56 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12323564 Image processing apparatus and image processing method that embeds information using a pattern with directivity and a pattern without directivity Hiroyasu Kunieda, Akitoshi Yamada, Yoichi Kashibuchi 2025-06-03
11968343 Image processing apparatus and image processing method that obtain multiplexed images and output print data using multiplexed image Akitoshi Yamada, Hiroyasu Kunieda, Yoichi Kashibuchi 2024-04-23
10958808 Image forming apparatus controlling color reproduction range and tone reproducibility 2021-03-23 $52,000
10855883 Image processing apparatus for performing edge correction of image, method of controlling the same, and storage medium 2020-12-01 $28,000
10845726 Image forming apparatus which controls exposure amount of photoreceptor per unit area by correcting pulse width of drive signal for driving light source 2020-11-24 $27,000
10321015 Image processing apparatus and image processing method 2019-06-11 $24,000
10084937 Image forming apparatus, image forming method, and storage medium for correcting density nonuniformity 2018-09-25 $58,000
9703245 Image processing apparatus, image processing method, and storage medium performing toner amount adjustment 2017-07-11 $33,000
9633290 Image processing apparatus and control method therefor 2017-04-25 $41,000
9553428 Power supply module Masanori Tsubono 2017-01-24
9398194 Image processing apparatus and method performing density adjustment on image data based on generated density characteristics data 2016-07-19 $42,000
9280115 Image forming apparatus with consumption prediction, method of controlling the same, and non-transitory computer-readable medium 2016-03-08 $27,000
9124732 Image processing apparatus, image processing method, and program for the same 2015-09-01 $43,000
9104147 Image forming apparatus with controlled fixing temperature, control method and storage medium 2015-08-11 $34,000
8928943 Image processing apparatus and image processing method 2015-01-06 $31,000
8767266 Image processing apparatus and image processing method for reducing the amount of consumption of recording material 2014-07-01 $47,000
8666267 Image forming apparatus, method of controlling image forming apparatus, program, and storage medium 2014-03-04 $56,000
8634210 DC-DC converter including switching frequency control circuit Yasuhiro Yoto 2014-01-21
8619322 Image formation apparatus and image formation method for performing color deviation correction 2013-12-31 $51,000
8610961 Image-processing apparatus, image-processing method and recording medium 2013-12-17 $50,000
8289413 Image processing apparatus, image processing method and program 2012-10-16 $74,000
8243335 Device for changing screen ruling for image formation in accordance with relationship between luminance and saturation 2012-08-14 $87,000
8237727 Image processing apparatus and method 2012-08-07 $67,000
8186594 Image processing method and apparatus thereof Mitsuru Uzawa, Sanae Ikeda, Junya Arakawa 2012-05-29 $94,000
8119749 Method of taking (meth)acrylic ester polymer out of liquid reaction mixture Kenichi Hamada, Susumu Matsunaga, Kazunori Watanabe, Masaji Kato, Tatsufumi Watanabe +2 more 2012-02-21