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EI
Eisai
Rank (All Time):
#1325
of 106,127
Top 2%
998 inventors
660
Patents All Time
Top Inventors at Eisai
All Time
Showing 1–50 of 998 inventors
Rank
Name
Patents
1
Shinya Abe
77
2
Isao Yamatsu
76
3
Takeshi Suzuki
48
#4
Hiroyuki Yoshimura
42
#4
Yoshimasa Machida
42
#6
Shigeru Souda
41
#7
Shuhei Miyazawa
35
#8
Shigeto Negi
34
#9
Shigeki Hibi
33
#10
Norio Minami
31
#11
Seiichiro Nomoto
30
#12
Katsuya Tagami
28
#13
Naoyuki Shimomura
27
#13
Takashi Yamanaka
27
#15
Hachiro Sugimoto
26
#15
Hironori Ikuta
26
#15
Koukichi Harada
26
#15
Mitsuaki Miyamoto
26
#15
Seiichi Kobayashi
26
#20
Kyosuke Kitoh
25
#20
Motosuke Yamanaka
25
#22
Fumihiro Ozaki
24
#22
Isao Saito
24
#22
Isao Sugiyama
24
#22
Kazutoshi Miyake
24
#22
Kazuo Okano
24
#27
Norihiro Ueda
23
#28
Makoto Okita
22
#28
Osamu Asano
22
#30
Hitoshi Oinuma
21
#30
Kouichi Katayama
21
#30
Kouichi Kikuchi
21
#30
Mitsuo Nagai
21
#30
Tetsuya Kawahara
21
#30
Yuichi Inai
21
#30
Akiharu Kajiwara
21
#37
Hisashi Shibata
20
#37
Kenji Hayashi
20
#37
Manabu Murakami
20
#37
Norio Karibe
20
#41
Kiyomi Yamatsu
19
#41
Kouji Nakamoto
19
#41
Takaharu Nakamura
19
#41
Yoshiharu Yamanishi
19
#45
Hideyuki Adachi
18
#45
Richard Clark
18
#45
Toshiaki Ogawa
18
#48
Hiroo Ogura
17
#48
Hiroshi Yamauchi
17
#48
Kouji Yamada
17
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