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Yuyama Mfg. Co. — 255 Patents

Rank (All Time): #3,062 of 106,120Top 3%

147 inventors

255 Patents All Time

Top Inventors at Yuyama Mfg. Co. All Time

Showing 1–50 of 147 inventors

Rank	Name	Patents
1	Shoji Yuyama	101
2	Naoki Koike	75
3	Hiroyuki Yuyama	51
#4	Mitsuhiro Mitani	31
#5	Takafumi Imai	23
#6	Tomohiro Sugimoto	21
#7	Masao Fukada	20
#8	Hiromichi Tsuda	18
#9	Hirokazu Amano	17
#9	Katsunori Yoshina	17
#11	Akira Maeda	15
#11	Tsuyoshi Kodama	15
#13	Akitomi Kohama	14
#14	Masahiko Kasuya	12
#14	Nakaji Takeda	12
#14	Yasuhiro Shigeyama	12
#14	Yoshinori Kumano	12
#18	Itsuo Yasunaga	10
#19	Hiroyasu Hamada	9
#19	Hiroshi Hashimoto	9
#19	Keita Yasuoka	9
#19	Takayuki Fujikawa	9
#23	Yasuyuki Yoshikawa	8
#24	Chisei Asaoka	7
#24	Koji Ito	7
#24	Norifumi Oike	7
#24	Tatsuaki Kunimoto	7
#28	Akifumi Tanaka	6
#28	Dai Shimizube	6
#28	Hirokazu Chihara	6
#28	Yasuyuki Morita	6
#32	Hiroyuki Kanda	5
#32	Hidenori Tsuji	5
#32	Kensuke Kaminishi	5
#32	Masatoshi Warashina	5
#32	Noriyoshi FUJII	5
#32	Noboru Yamazaki	5
#32	Ryosuke FUKAMORI	5
#32	Satoru Ogino	5
#32	Takashi IWATANI	5
#32	Tasuku Minami	5
#32	Toshihiro Amatsu	5
#32	Tomonari Oda	5
#32	Tooru Tanaka	5
#45	Akira Taniguchi	4
#45	Eiji Sadamori	4
#45	Hidenori Murakami	4
#45	Kazunori Tsukamoto	4
#45	Keigo Nakamura	4
#45	Koji Yamashita	4