Showing 1–27 of 27 inventors

Rank Inventor Primary Company Patents
1 Sadanobu Kikkawa Sumitomo Chemical 4
2 Yasuo Sano Takeda Chemical Industries 3
2 Kazufumi Yokogawa Sumitomo Chemical 3
2 Toshiro Azuma Kanzaki Kokyukoki Mfg. Co. 3
2 Yoshikatsu Matsuura Nippon Steel 3
#6 Toshiaki Yoshizumi Mitsubishi Electric 2
#6 Yoshihiro Kawahata Kanebo, Limited 2
#6 Chinehito Ebina Sumitomo Chemical 2
#6 Hirokazu Sawamoto Sumitomo Chemical 2
#6 Naoki Yamamori Nippon Paint Holdings Co. 2
#11 Yoshio Tarutani Sumitomo Metal Industries 1
#11 Michitaka Iwata Asahi Kasei Kogyo Co. 1
#11 Ryoichi Noumi Sumitomo Metal Industries 1
#11 Mitsuo Kushino Nippon Shokubai Co. 1
#11 Shiro Tsuji Sumitomo Electric Industries 1
#11 Takehisa Matsuda Sanyo Chemical Industries 1
#11 Toshiomi Nakate Fujisawa Pharmaceutical Co. 1
#11 Tatsuo Kaneoya Sumitomo Chemical 1
#11 Mayumi Iwao Ueno Seiyaku Oyo Kenkyujo 1
#11 Takuro Fujioka Ricoh Company 1
#11 Sei Nakazawa Osaka Soda Co. 1
#11 Takashi Miyaoka Sumitomo Chemical 1
#11 Matsumoto Shinichi Figaro Engineering 1
#11 Isamu Maruyama Sumitomo Chemical 1
#11 Akira Yamatani House Food Industrial Co. 1
#11 Kazumasa Sasakawa Sumitomo Electric Industries 1
#11 Takashi Seigenji Ricoh Company 1