Growing community of inventors

Komaki, Japan

Harumi Douke

Average Co-Inventor Count = 2.61

ph-index = 4

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 63

Harumi DoukeMasayosi Iwata (4 patents)Harumi DoukeYoshikazu Hayashi (1 patent)Harumi DoukeTadashi Yokoyama (1 patent)Harumi DoukeYukio Mizuta (1 patent)Harumi DoukeHiroyuki Sawada (1 patent)Harumi DoukeHarumi Douke (4 patents)Masayosi IwataMasayosi Iwata (11 patents)Yoshikazu HayashiYoshikazu Hayashi (7 patents)Tadashi YokoyamaTadashi Yokoyama (5 patents)Yukio MizutaYukio Mizuta (4 patents)Hiroyuki SawadaHiroyuki Sawada (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Tokai Rika Denki Seisakusho (4 from 2,006 patents)


4 patents:

1. 4543456 - Switch device for vehicle-speed control

2. 4393280 - Electrical switching arrangement

3. 4379954 - Lever operated plural switch assembly

4. 4293743 - Combination switching means of lever type for motor vehicles

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as of
1/22/2026
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