Growing community of inventors

Fukui, Japan

Hitokazu Shitanaka

Average Co-Inventor Count = 3.04

ph-index = 6

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 = 175

Hitokazu ShitanakaTsuyoshi Tanaka (4 patents)Hitokazu ShitanakaNaoaki Matsui (3 patents)Hitokazu ShitanakaYoshiyuki Nakade (2 patents)Hitokazu ShitanakaHideaki Eto (2 patents)Hitokazu ShitanakaSho Sonoda (2 patents)Hitokazu ShitanakaShigeyoshi Umezawa (2 patents)Hitokazu ShitanakaMasaki Kontani (1 patent)Hitokazu ShitanakaKouichi Santo (1 patent)Hitokazu ShitanakaRyoichi Taniuchi (1 patent)Hitokazu ShitanakaMasahiro Hirobe (1 patent)Hitokazu ShitanakaKenji Otomo (1 patent)Hitokazu ShitanakaKoichi Santo (1 patent)Hitokazu ShitanakaSeiichi Nishimura (1 patent)Hitokazu ShitanakaTakayoshi Kishimoto (1 patent)Hitokazu ShitanakaKatsuya Saitou (1 patent)Hitokazu ShitanakaSatoru Fukui (1 patent)Hitokazu ShitanakaHitokazu Shitanaka (11 patents)Tsuyoshi TanakaTsuyoshi Tanaka (117 patents)Naoaki MatsuiNaoaki Matsui (5 patents)Yoshiyuki NakadeYoshiyuki Nakade (23 patents)Hideaki EtoHideaki Eto (13 patents)Sho SonodaSho Sonoda (7 patents)Shigeyoshi UmezawaShigeyoshi Umezawa (5 patents)Masaki KontaniMasaki Kontani (15 patents)Kouichi SantoKouichi Santo (12 patents)Ryoichi TaniuchiRyoichi Taniuchi (7 patents)Masahiro HirobeMasahiro Hirobe (4 patents)Kenji OtomoKenji Otomo (3 patents)Koichi SantoKoichi Santo (3 patents)Seiichi NishimuraSeiichi Nishimura (2 patents)Takayoshi KishimotoTakayoshi Kishimoto (2 patents)Katsuya SaitouKatsuya Saitou (2 patents)Satoru FukuiSatoru Fukui (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Matsushita Electric Industrial Co., Ltd. (4 from 27,375 patents)

2. Panasonic Intellectual Property Management Co., Ltd. (3 from 13,247 patents)

3. Panasonic Corporation (2 from 16,453 patents)

4. Matsushita Electric Industrial (1 from 33 patents)

5. Panasonic Corporaton (1 from 9 patents)


11 patents:

1. 10020137 - Input apparatus

2. 9988068 - Steering wheel input device

3. 9734967 - Operating panel device

4. 8586882 - Multi-directional switch

5. 8531407 - Input apparatus

6. 7501722 - Illuminated switch device

7. 7321101 - Switch device and input device using the same

8. 7310084 - Multi-way operation switch, input device and input unit

9. 6580039 - Multidirectional switch and operation unit using the same

10. 6359243 - Multi-directional operating switch and electronic device using the same

11. 5949149 - Multifunctional switching apparatus and a vehicle operating system using

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as of
12/7/2025
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