Patent Leaderboard
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
Search
Companies
Inventors
HW
Hisaka Works
Rank (All Time):
#15017
of 106,127
Top 15%
55 inventors
43
Patents All Time
Top Inventors at Hisaka Works
All Time
Rank
Name
Patents
1
Hiroyuki Sumitomo
22
2
Akira Horiguchi
9
3
Kenzo Masutani
7
#4
Osamu Ishimaru
5
#5
Isamu Hiwatashi
3
#6
Kazuyuki Kobayashi
3
#7
Kenji Kusunoki
3
#8
Ken'ichi Yamada
3
#9
Kiyoshi Ishihama
3
#10
Mana Iwaki
3
#11
Seiichi Matsumura
3
#12
Yoshiharu Sakai
3
#13
Chikayoshi Ota
2
#14
Haruo Uehara
2
#15
Katsutoshi Fukami
2
#16
Kenzo Kawanishi
2
#17
Keido Yoshida
2
#18
Masafumi Doi
2
#19
Masafumi Inoue
2
#20
Masao Takigawa
2
#21
Mitsuyasu Miyamoto
2
#22
Mitsuhiko Tanahashi
2
#23
Nobuyoshi Fukube
2
#24
Ryuichi Tsutsumi
2
#25
Senji Kimoto
2
#26
Syuzo Fukada
2
#27
Tsutomu Yamamoto
2
#28
Fumio Shirai
1
#29
Funabiki Takahisa
1
#30
Gen Nishimura
1
#31
Hideo Tsukazaki
1
#32
Junichi Nakamura
1
#33
Kozi Ohta
1
#34
Makoto Hikita
1
#35
Masaaki Ishikura
1
#36
Michinobu Kaimori
1
#37
Satoshi Nomura
1
#38
Shinji Sakamoto
1
#39
Takayoshi Aoki
1
#40
Tamio Nagai
1
#41
Takaji Nakata
1
#42
Toshitaka Hashimoto
1
#43
Tohru Koide
1
#44
Toshinori Murakami
1
#45
Toshiya Usami
1
#46
Tutomu Yamamoto
1
#47
Yasuo Saito
1
#48
Yoshikane Fukuda
1
#49
Yoshiaki Tokuda
1
#50
Yukiko Kushima
1
#51
Takashi Aomori
1
#52
Megumi Imamura
1
#53
Tetsuo Asahara
1
#54
Akira Aikawa
1
#55
Akira Urakami
1