Growing community of inventors

Hyogo, Japan

Hirotsugu Arai

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 = 178

Hirotsugu AraiFumio Matsukawa (2 patents)Hirotsugu AraiFumio Ueda (2 patents)Hirotsugu AraiHiroaki Ideno (1 patent)Hirotsugu AraiYoshisada Mizutani (1 patent)Hirotsugu AraiKenji Horikiri (1 patent)Hirotsugu AraiYoshiaki Tsuboi (1 patent)Hirotsugu AraiHirotsugu Arai (4 patents)Fumio MatsukawaFumio Matsukawa (11 patents)Fumio UedaFumio Ueda (10 patents)Hiroaki IdenoHiroaki Ideno (9 patents)Yoshisada MizutaniYoshisada Mizutani (5 patents)Kenji HorikiriKenji Horikiri (2 patents)Yoshiaki TsuboiYoshiaki Tsuboi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Denki Kabushiki Kaisha (4 from 21,351 patents)


4 patents:

1. 4937570 - Route guidance display device

2. 4579424 - Liquid crystal display device having interdigitated common electrodes

3. 4518959 - Electronic analog display device

4. 4044345 - Method for addressing X-Y matrix display cells

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12/7/2025
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