Growing community of inventors

Shizuoka, Japan

Ken Matsuoka

Average Co-Inventor Count = 3.45

ph-index = 3

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 = 40

Ken MatsuokaKatutada Shirai (2 patents)Ken MatsuokaKihachiro Uchida (1 patent)Ken MatsuokaKenji Tomita (1 patent)Ken MatsuokaYoshio Suehiro (1 patent)Ken MatsuokaHideki Ohashi (1 patent)Ken MatsuokaHiroshige Shinkai (1 patent)Ken MatsuokaYasushi Ohtsuka (1 patent)Ken MatsuokaHiroyuki Hayashi (1 patent)Ken MatsuokaKazuya Horiuchi (1 patent)Ken MatsuokaYosiaki Aiso (1 patent)Ken MatsuokaKihachirou Uchida (1 patent)Ken MatsuokaSumio Hirai (1 patent)Ken MatsuokaKazuyoshi Sugiyama (1 patent)Ken MatsuokaKen Matsuoka (5 patents)Katutada ShiraiKatutada Shirai (29 patents)Kihachiro UchidaKihachiro Uchida (14 patents)Kenji TomitaKenji Tomita (10 patents)Yoshio SuehiroYoshio Suehiro (9 patents)Hideki OhashiHideki Ohashi (6 patents)Hiroshige ShinkaiHiroshige Shinkai (5 patents)Yasushi OhtsukaYasushi Ohtsuka (4 patents)Hiroyuki HayashiHiroyuki Hayashi (3 patents)Kazuya HoriuchiKazuya Horiuchi (3 patents)Yosiaki AisoYosiaki Aiso (2 patents)Kihachirou UchidaKihachirou Uchida (2 patents)Sumio HiraiSumio Hirai (1 patent)Kazuyoshi SugiyamaKazuyoshi Sugiyama (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Koito Manufacturing Company, Ltd. (5 from 2,304 patents)


5 patents:

1. 6971776 - Vehicle lamp

2. 5660456 - Vehicular lamp

3. 5546283 - Vehicular headlamp having improved assembly efficiency

4. D317590 - Automobile bulb socket

5. 4752241 - L-shaped bulb socket

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1/6/2026
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