Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Akihiko Itami — 65 Patents

KOKonica: 34 patents #11 of 1,958Top 1%
KMKonica Minolta: 24 patents #15 of 1,361Top 2%
KMKonica Minolta: 6 patents #610 of 2,718Top 25%
Hino, JP: #11 of 1,727 inventorsTop 1%
Overall (All Time): #33,516 of 4,157,543Top 1%
65 Patents All Time
Akihiko Itami has been granted 65 US patents while listed as an inventor at Konica. The first was granted in 1991 and the most recent in June 2025. Akihiko Itami ranks #33,516 of 4,157,543 US inventors in our database (top 0.81%). Patent records list Akihiko Itami in Hino, JP.

Patents per Year

Patents granted per year, 1991 to 2025Bar chart with a peak of 9 patents in 2002.peak 91991: 2 patents19911993: 2 patents1994: 1 patents1997: 1 patents19971998: 3 patents1999: 2 patents2000: 1 patents20002001: 3 patents2002: 9 patents2003: 2 patents20032004: 2 patents2005: 1 patents2006: 6 patents20062007: 6 patents2008: 2 patents2009: 4 patents20092010: 2 patents2011: 5 patents2012: 3 patents20122013: 3 patents2014: 1 patents2024: 2 patents20242025: 2 patents2025

Issued Patents All Time

Showing 1–25 of 65 patents

Patent #TitleCo-InventorsDate
12326672 Developing sleeve and electrophotographic image forming apparatus Kazutoshi Kobayashi, Yukio Hosoya, Toshiyuki Fujita 2025-06-10
12287592 Image forming method and image forming system Kazumi OURA, Hiroshi Nagasawa, Masaharu Matsubara, Koji Shibata, Makoto Nomiya +1 more 2025-04-29
11972509 Local gonio-reflection characteristics-acquiring method, image processing method, image display method, and local gonio-reflection characteristics-acquiring apparatus Takayuki Ishikawa 2024-04-30
11886145 Electrostatic charge image developing toner and manufacturing method of same, image forming method, image forming system and output product using same 2024-01-30
8668846 Photoelectric conversion element and solar cell Hidekazu KAWASAKI, Kazuya Isobe, Hideya MIWA, Kazukuni NISHIMURA, Mayuko Ushiro 2014-03-11
8471143 Photoelectric conversion element and solar cell Hidekazu KAWASAKI, Kazuya Isobe, Hideya MIWA, Kazukuni NISHIMURA, Mayuko Ushiro 2013-06-25
8410356 Photoelectric conversion element and solar cell Hidekazu KAWASAKI, Kazuya Isobe, Hideya MIWA, Kazukuni NISHIMURA, Mayuko Ushiro 2013-04-02
8395041 Photoelectric conversion element and solor cell Hidekazu KAWASAKI, Kazuya Isobe, Hideya MIWA, Kazukuni NISHIMURA, Mayuko Ushiro 2013-03-12
8247687 Photoelectric conversion element and solar cell Hideya MIWA, Kazuya Isobe, Kazukuni NISHIMURA, Hidekazu KAWASAKI, Mayuko Ushiro 2012-08-21
8241824 Electrophotographic photoreceptor, image forming method, image forming apparatus and process cartridge 2012-08-14
8242355 Photoelectric conversion element and solar cell Kazukuni NISHIMURA, Fumitaka Mochizuki, Hideya MIWA, Hidekazu KAWASAKI 2012-08-14
8039741 Photoelectric conversion element and solar cell Fumitaka Mochizuki, Kazukuni NISHIMURA 2011-10-18
8029955 Electrophotographic photoreceptor and image forming method Eiichi Sakai, Yoshihiko Eto, Kimiyuki Itou, Takeo Oshiba 2011-10-04
7947898 Photoelectric conversion element and solar cell Tomoko Sakimura, Fumitaka Mochizuki, Hideya MIWA 2011-05-24
7943848 Photoelectric conversion element, method of manufacturing the same and solar cell Kazukuni NISHIMURA, Fumitaka Mochizuki 2011-05-17
7897312 Image forming method 2011-03-01
7851118 Image forming method, image forming apparatus and organic photoreceptor Masao Asano, Hiroshi Yamazaki, Kunio Shigeta 2010-12-14
7846626 Image forming method and image forming apparatus Masao Asano, Hiroshi Yamazaki, Kunio Shigeta 2010-12-07
7482106 Image forming method and image forming apparatus Hideo Yoshizawa 2009-01-27
7479359 Photoconductor for electrophotography Keiichi Inagaki, Masao Asano, Hiroshi Yamazaki, Hideo Yoshizawa 2009-01-20
7477866 Image forming method and image forming apparatus Kunio Shigeta 2009-01-13
7473509 Image forming method and image forming apparatus Masao Asano, Hiroshi Yamazaki 2009-01-06
7459256 Image forming method and image forming apparatus Kunio Shigeta, Shigeaki Tokutake 2008-12-02
7449267 Image forming method Masao Asano, Hiroshi Yamazaki 2008-11-11
7285366 Organic photoreceptor, an image forming method, an image forming apparatus and a process cartridge Shigeki Takenouchi, Satoshi Uchino 2007-10-23