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

Tadayoshi Ikeda — 38 Patents

KOKonica: 36 patents #9 of 1,958Top 1%
DADaicel: 1 patents #265 of 523Top 55%
Kobe, JP: #123 of 5,515 inventorsTop 3%
Overall (All Time): #84,675 of 4,157,543Top 3%
38 Patents All Time
Tadayoshi Ikeda has been granted 38 US patents while listed as an inventor at Konica. The first was granted in 1980 and the most recent in November 2025. Tadayoshi Ikeda ranks #84,675 of 4,157,543 US inventors in our database (top 2.0%). Patent records list Tadayoshi Ikeda in Kobe, JP.

Issued Patents All Time

Showing 1–25 of 38 patents

Patent #TitleCo-InventorsDate
12480954 Method for assisting evaluation of condition of kidneys, system for evaluating condition of kidneys, and program for evaluating condition of kidneys Masashi Mita, Tomonori Kimura 2025-11-25
6094552 Image forming apparatus for printing images in accordance with at least one of first information and second information Satoshi Haneda, Kunio Shigeta, Yotaro Sato, Akitoshi Matsubara, Masakazu Fukuchi 2000-07-25
6070048 Paper width detecting device Ken Nonaka 2000-05-30
5920744 Image forming apparatus and method for efficiently forming images even after the occurrence of a jam Akitoshi Matsubara, Masakazu Fukuchi, Satoshi Haneda, Kunio Shigeta, Yotaro Sato 1999-07-06
5900709 Rotation control device Hidehiro Kanda, Mitsuo Uzuka, Tadashi Miwa, Masahiro Makita 1999-05-04
5875372 Image forming apparatus Yotaro Sato, Kunio Shigeta, Satoshi Haneda, Akitoshi Matsubara, Masakazu Fukuchi 1999-02-23
5826143 Image forming apparatus with two transfer means Satoshi Haneda, Kunio Shigeta, Yotaro Sato, Masakazu Fukuchi, Akitoshi Matsubara 1998-10-20
5822666 Image forming apparatus including a mechanism for eliminating mechanical shock caused by a cleaning device Satoshi Haneda, Kunio Shigeta, Yotaro Sato, Masakazu Fukuchi, Akitoshi Matsubara 1998-10-13
5761573 Image forming apparatus for double-sided image formation with properly adjusted image density or color tone for each side Satoshi Haneda, Kunio Shigeta, Yotaro Sato, Masakazu Fukuchi, Akitoshi Matsubara 1998-06-02
5758204 Duplex image forming apparatus with two image carriers and an image size discriminator Satoshi Haneda, Kunio Shigeta, Yotaro Sato, Masakazu Fukuchi, Akitoshi Matsubara 1998-05-26
5754210 Optical system assembling device for an image forming apparatus Satoshi Haneda, Masakazu Fukuchi, Shuta Hamada, Hisayoshi Nagase, Hiroyuki Tokimatsu +1 more 1998-05-19
5752133 Electrophotographic color image forming apparatus with image exposure means inside of photoreceptor drum Hisayoshi Nagase, Satoshi Haneda, Hiroyuki Tokimatsu, Shuta Hamada, Toshihide Miura +1 more 1998-05-12
5663787 Electrophotographic color image forming apparatus with image exposure means inside of photoreceptor drum Satoshi Haneda, Masakazu Fukuchi 1997-09-02
5615002 Electrophotographic color image forming apparatus with a plurality of image exposing devices arranged around outer circumference of photoreceptor Satoshi Haneda, Hisayoshi Nagase, Hiroyuki Tokimatsu, Shuta Hamada, Masakazu Fukuchi 1997-03-25
5608497 Electrophotographic color image forming apparatus Satoshi Haneda, Masakazu Fukuchi 1997-03-04
5557394 Color image forming apparatus having a transparent photoreceptor Satoshi Haneda, Masakazu Fukuchi, Hisayoshi Nagase, Shuta Hamada 1996-09-17
5548379 Image forming apparatus Masakazu Fukuchi, Shizuo Morita, Satoshi Haneda, Hiseo Satoh 1996-08-20
5541722 Color image forming apparatus Masakazu Fukuchi, Satoshi Haneda 1996-07-30
5493366 Image forming apparatus Hisao Satoh, Satoshi Haneda, Shizuo Morita, Masakazu Fukuchi 1996-02-20
5444515 Color image forming apparatus with mountable cartridge therein Satoshi Haneda, Shizuo Morita, Masakazu Fukuchi 1995-08-22
5398097 Image forming apparatus with driving mechanism for photoreceptor Hisao Satoh, Satoshi Haneda, Shizuo Morita, Masakazu Fukuchi 1995-03-14
5382998 Image forming apparatus of a clamshell type Toshio Shida, Hisao Satoh, Naoko Otomo, Takeshi Sakabe, Shigeru Okazaki +1 more 1995-01-17
5381167 Color image forming apparatus Yozo Fujii, Tadashi Miwa, Hisao Satoh, Atsushi Ogane, Isao Matsuoka 1995-01-10
5331389 Image forming apparatus with sheet discharging device Masakazu Fukuchi, Shizuo Morita, Satoshi Haneda, Hisao Satoh 1994-07-19
5319429 Color image forming apparatus using fixing apparatus for glossy images Masakazu Fukuchi, Shizuo Morita, Satoshi Haneda, Hisao Satoh 1994-06-07