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Yamamoto Chemicals — 74 Patents

Rank (All Time): #9,289 of 106,120Top 9%

80 inventors

74 Patents All Time

Top Inventors at Yamamoto Chemicals All Time

Showing 1–50 of 80 inventors

Rank	Name	Patents
1	Takahisa Oguchi	21
2	Hisato Itoh	19
3	Shigeo Fujita	15
#4	Kenichi Sugimoto	14
#5	Yojiro Kumagae	13
#6	Mansuke Matsumoto	11
#7	Katashi Enomoto	10
#7	Nobuaki Sasaki	10
#9	Keisuke Takuma	9
#9	Shin Aihara	9
#9	Sumio Hirose	9
#12	Sayuri Wada	8
#12	Tadashi Koike	8
#12	Taizo Nishimoto	8
#12	Toshihiro Masaoka	8
#12	Tsutami Misawa	8
#17	Hisashi Tsukahara	7
#17	Hideki Umehara	7
#19	Keiki Chichiishi	6
#19	Ryu Oi	6
#19	Tsutomu Nishizawa	6
#22	Akira Ogiso	5
#22	Bunji Sawano	5
#22	Hiroshi Ozawa	5
#22	Hiroyuki Sasaki	5
#22	Kenji Abe	5
#22	Satoshi Kinoshita	5
#22	Takeshi Tsuda	5
#22	Yasuhisa Iwasaki	5
#22	Yoichi Hosono	5
#31	Shigeru Takahara	4
#31	Tutomu Nishizawa	4
#33	Kazuhiro Seino	3
#33	Kenichi Kato	3
#33	Masakatsu Nakatsuka	3
#33	Masato Okada	3
#33	Shinobu Inoue	3
#38	Akio Karasawa	2
#38	Akihiro Kohsaka	2
#38	Hisao Itoh	2
#38	Hiroshi Terao	2
#38	Jun Taniguchi	2
#38	Kazuyoshi Kikkawa	2
#38	Kenji Mizoue	2
#38	Kiyoharu Hasegawa	2
#38	Masakazu Nakamura	2
#38	Naoyuki Kakinuma	2
#38	Shuuichi Hashimoto	2
#38	Shuichi Hashimoto	2
#38	Toshiya Hashimoto	2