KM

Katsumi Mabuchi

HI Hitachi: 18 patents #2,067 of 28,497Top 8%
HB Hgst Netherlands, B.V.: 4 patents #198 of 972Top 25%
IC Ibiden Co.: 2 patents #335 of 730Top 50%
HC Hitachi Powdered Metals Co.: 1 patents #113 of 246Top 50%
HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
HC Hitachi Cable: 1 patents #530 of 1,086Top 50%
HC Hitachi-Johnson Controls Air Conditioning: 1 patents #77 of 179Top 45%
📍 Ibaraki, JP: #227 of 6,779 inventorsTop 4%
Overall (All Time): #138,445 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
4937038 Solution quantitative analysis apparatus, quantitative analysis methods, and nuclear reactor water quality control system Masanori Sakai, Katsumi Ohsumi, Noriyuki Ohnaka, Eiji Kikuchi, Takuya Takahashi 1990-06-26
4773955 Printed wiring board for mounting electronic parts and process for producing the same Toshimi Komura 1988-09-27
4737395 Printed wiring board for mounting electronic parts and process for producing the same Toshimi Komura 1988-04-12