KK

Kengo Koike

NK Nippon Kayaku: 7 patents #76 of 1,103Top 7%
SC Sanken Electric Co.: 6 patents #57 of 315Top 20%
📍 Niiza, JP: #43 of 316 inventorsTop 15%
Overall (All Time): #382,731 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
9350352 Level shift circuit and switching power source apparatus 2016-05-24
8686785 Level shifter 2014-04-01
7394670 Switching power source 2008-07-01
7035119 Switching power source device 2006-04-25
6519165 Dc-to-dc converter 2003-02-11
6515876 Dc-to-dc converter Kei Okada 2003-02-04
4804762 N-cyanoalkylisonicotinamide derivatives Hiroshi Yoshida, Shizuo Shimano, Seiji Mochizuki, Taizo Nakagawa, Kenji Konishi 1989-02-14
4690934 N-phenylsulfonylisonicotinamide derivatives and their use as fungicides or bactericides Hiroshi Yoshida, Kenji Konishi, Taizo Nakagawa, Shizuo Shimano, Seiji Mochizuki 1987-09-01
4659722 Bactericidal N-(2,2,2 trichloroethyl)pyridinecarboxamides Taizo Nakagawa, Eiichi Tanaka, Hiromi Yoshida, Hiroshi Yoshida 1987-04-21
4500536 Derivatives of N,N'-substituted azolecarboxamide and agricultural and horticultural fungicidal or nematicidal composition containing same as active ingredients Hiroshi Yoshida, Shizuo Shimano, Taizo Nakagawa, Kaoru Ohmori 1985-02-19
4325968 Benzenethiocarbamate derivatives Taizo Nakagawa, Yutaka Watanabe, Kaoru Ohmori, Iwao Tejima 1982-04-20
4294835 2-Hydroxy benzamide derivatives and use thereof as a fungicide Taizo Nakagawa, Hiroshi Matsumoto, Kaoru Ohmori, Shizuo Shimano 1981-10-13
4284628 2-Hydroxy benzamide derivatives and use thereof as a fungicide Taizo Nakagawa, Seiji Mochizuki, Kaoru Ohmori, Mineo Maruyama, Eiichi Tanaka 1981-08-18