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Hidetoshi Katayanagi — 19 Patents

KOKonica: 8 patents #304 of 1,958Top 20%
KMKonica Minolta: 8 patents #249 of 1,361Top 20%
KMKonica Minolta: 2 patents #1,382 of 2,718Top 55%
Tokyo, JP: #7,965 of 90,295 inventorsTop 9%
Overall (All Time): #229,345 of 4,157,543Top 6%
19 Patents All Time
Hidetoshi Katayanagi has been granted 19 US patents while listed as an inventor at Konica. The first was granted in 2003 and the most recent in November 2019. Hidetoshi Katayanagi ranks #229,345 of 4,157,543 US inventors in our database (top 5.5%). Patent records list Hidetoshi Katayanagi in Tokyo, JP.

Patents per Year

Patents granted per year, 2003 to 2019Bar chart with a peak of 3 patents in 2003.peak 32003: 3 patents20032004: 3 patents2005: 2 patents20052006: 2 patents2007: 2 patents20072008: 2 patents2010: 1 patents20102011: 1 patents2012: 1 patents20122015: 1 patents2019: 1 patents2019

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
10474076 Fixing device and image forming apparatus Masashi Sonoyama, Yoshikazu Kuribayashi, Tomoya Sato, Hiroyuki Maeda 2019-11-12
9170537 Fuser and image forming apparatus Yoshikazu Kuribayashi, Etsuaki Urano, Hirotaka Kanou, Masashi Sonoyama, Tomohiro Takagi 2015-10-27
8320807 Image forming apparatus for forming an image on a sheet at a nip portion formed by rotary bodies Masahiro Onodera, Junichi Hamada, Hiroshi Funabiki 2012-11-27
8032068 Fixing device and image forming apparatus Naohiko Hanyu, Mikihiko Takada 2011-10-04
7773253 Gloss difference control in a plurality of networked image forming apparatus — 2010-08-10
7398036 Image forming apparatus and image forming method — 2008-07-08
7327979 Image forming apparatus — 2008-02-05
7200345 Image forming apparatus with a fixing device employing a plurality of pressing members Hisayoshi Nagase, Tetsuko Kurosu, Makoto Fujii, Naohiko Hanyu, Miho Toyoda 2007-04-03
7187898 Image forming apparatus having a fixing device for fixing toner including wax on a transfer sheet Masami Maruko, Hajime Tanaka, Kazunori Katada, Masashi Saito, Toshiki Hayami 2007-03-06
7142792 Fixing apparatus Hajime Tanaka, Masashi Saito, Toshiki Hayami 2006-11-28
7079802 Fixing device with specific surface roughness Hajime Tanaka, Toshiki Hayami 2006-07-18
6892034 Image-forming apparatus for obtaining clean images Masashi Saito, Shigetaka Kurosu 2005-05-10
6865366 Fixing apparatus equipped with sheet flattener Hajime Tanaka, Toshiki Hayami 2005-03-08
6816699 Fixing device having heat applying rotary body and pressure applying rotary body, and image forming apparatus equipped with the fixing device Hajime Tanaka, Toshiki Hayami 2004-11-09
6782232 Fixing unit for an image forming apparatus Toshiki Hayami, Hajime Tanaka 2004-08-24
6690906 Fixing apparatus and image forming apparatus Hajime Tanaka, Masami Maruko, Toshiki Hayami 2004-02-10
6603932 Image-forming apparatus for obtaining clean images Masashi Saito, Shigetaka Kurosu 2003-08-05
6603947 Fixing device having heat applying rotary body and pressure applying rotary body, and image forming apparatus equipped with the fixing device Hajime Tanaka, Toshiki Hayami 2003-08-05
6529695 Image-forming apparatus Shigetaka Kurosu, Masashi Saito 2003-03-04

Frequent Collaborators

Hajime Tanaka8 shared
Toshiki Hayami8 shared
Masashi Saito5 shared
Shigetaka Kurosu3 shared
Naohiko Hanyu2 shared
Masashi Sonoyama2 shared

Nearby-Ranked Inventors

Vlastimil Kunc19
Nikolaj Maj Bentsen19
Vladimir Zhukov19
Remi Geraud19
Stephen Kaes19
Adeeti V. Ullal19
Ichiro Hayashi19
Kazuhiko Ueno19
Lei S. Qi19