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Ricoh Company
Rank (All Time):
#31
of 106,127
Top 1%
9,820 inventors
28,312
Patents All Time
Top Inventors at Ricoh Company
All Time
Showing 1–50 of 9,820 inventors
Rank
Name
Patents
1
Tetsuro Motoyama
274
2
Hiroshi Yoshinaga
223
3
Jonathan J. Hull
214
#4
Kenji Ishii
168
#5
Masaomi Sasaki
161
#6
Jamey Graham
145
#7
Toshihiko Shimokawa
142
#8
Edward L. Schwartz
133
#9
Yoshinaga Kato
131
#10
Takamasa Hase
130
#11
Takahiro Asai
129
#11
Tomoyuki Shimada
129
#13
Takahiro Imada
126
#14
Kurt Piersol
125
#14
Naoki Iwaya
125
#16
Shunichi Sato
123
#17
Hiroshi Hosokawa
121
#18
Ippei Fujimoto
120
#18
Yoshinori Hayashi
120
#18
Yutaka Ikebuchi
120
#21
Junichi Matsumoto
118
#21
Yuji Arai
118
#23
Takuya Seshita
117
#24
Michael J. Gormish
115
#24
Yoshiki Yamaguchi
115
#26
Hiromasa Takagi
114
#27
Masaaki Yoshikawa
113
#28
Takeshi Uchitani
112
#29
Avery Fong
110
#29
Hiroshi Yamashita
108
#31
Tomohiro Furuhashi
107
#32
Nobuyoshi Suzuki
106
#33
Masami Tomita
105
#34
Akira Suzuki
104
#35
Kazukiyo Nagai
103
#36
Kazuhiro Fujita
102
#36
Shuutaroh Yuasa
102
#38
Chiaki Tanaka
99
#39
Nobuo Iwata
97
#40
Yoshihiko Hotta
96
#41
Goro Katsuyama
95
#41
Shuuya Nagasako
95
#41
Yuusuke Furuichi
95
#44
Kazuya Saito
92
#44
Masahiro Ishida
92
#44
Tadashi Ogawa
92
#44
Yuki Nakamura
92
#48
Peter E. Hart
91
#49
Tomohiro Nakajima
90
#50
Akira Kunieda
89
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