KW

Keiji Wakamatsu

NI Ngk Insulators: 2 patents #947 of 2,083Top 50%
TI Tokyo Electric Power Company Holdings, Incorporated: 1 patents #245 of 711Top 35%
TL Tokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%
📍 Chofu, JP: #226 of 517 inventorsTop 45%
Overall (All Time): #2,302,319 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5216570 Suspension-type line arrester Tsuruo Yorozuya, Takashi Irie, Takashi Ohashi 1993-06-01
4761707 Lightning-conducting insulators Tetsuya Nakayama, Jun Atsumi 1988-08-02