Skip to content
Patent Leaderboard
USPTO Patent Rankings
Data through Dec 31, 2025
Search
Companies
Universities
Inventors
Cities
States
Technologies
Top Patents
Inventor 500
Select ranking year
All Time
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001
2000
1999
1998
1997
1996
1995
1994
1993
1992
1991
1990
1989
1988
1987
1986
1985
1984
1983
1982
1981
1980
Home
›
2021
›
Canon
›
Hiroki Ohrui
HO
Hiroki Ohrui
— 6 Patents in 2021
Canon
:
6
patents
#102
of
3,943
Top 3%
Tokyo, JP
:
#372
of
13,453
inventors
Top 3%
Overall
(2021):
#23,219
of
548,734
Top 5%
6
Patents 2021
Issued Patents
2021
Showing
1–6
of
6
patents
Patent #
Title
Co-Inventors
Date
Approx Value ⓘ
11139435
Organic light emitting element
Ryuji Ishii
,
Kei Tagami
,
Masumi Itabashi
2021-10-05
$39,000
11128791
Photoelectric conversion element
Tetsuo Takahashi
,
Satoru Shiobara
,
Jun Kamatani
,
Naoki Yamada
,
Tomona Yamaguchi
+8 more
2021-09-21
$47,000
11121182
Organic photoelectric conversion element, optical area sensor, image pickup device, and image pickup apparatus
Jun Kamatani
,
Naoki Yamada
,
Kengo Kishino
,
Hironobu Iwawaki
,
Satoru Shiobara
+4 more
2021-09-14
$52,000
10978644
Organic compound and organic photoelectric conversion element including the same
Naoki Yamada
,
Jun Kamatani
,
Hironobu Iwawaki
,
Masumi Itabashi
,
Yosuke Nishide
+4 more
2021-04-13
$40,000
10947212
Photoelectric conversion element, two-dimensional sensor, image sensor, and image pickup device
Yosuke Nishide
,
Naoki Yamada
,
Hironobu Iwawaki
,
Satoru Shiobara
,
Tomona Yamaguchi
+4 more
2021-03-16
$37,000
10903433
Organic compound, and photoelectric conversion element and imaging device using the organic compound
Hirokazu Miyashita
,
Naoki Yamada
,
Hironobu Iwawaki
,
Yosuke Nishide
,
Jun Kamatani
2021-01-26
$58,000
Nearby-Ranked Inventors
Hideki Oyaizu
6
Hiroyuki Okano
6
Hiroaki Okamoto
6
Hideki Okada
6
Hiroyuki Ohtsuka
6
Hiroyuki Ohmori
6
Hiromitsu OHASHI
6
Hiroki Noguchi
6
Hiroyuki Nakayama
6