Growing community of inventors

Tokyo, Japan

Kenji Hata

Average Co-Inventor Count = 2.18

ph-index = 2

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

Kenji HataKen Suzuki (1 patent)Kenji HataSeiji Hayashimoto (5 patents)Kenji HataJunichi Nakayama (2 patents)Kenji HataNobuyuki Miyajima (2 patents)Kenji HataYuji Iwai (3 patents)Kenji HataSakae Kosanda (1 patent)Kenji HataHirotoshi Hinuma (1 patent)Kenji HataNaohiro Tateishi (1 patent)Kenji HataTomoichi Fujihashi (1 patent)Kenji HataKenji Hata (4 patents)Ken SuzukiKen Suzuki (21 patents)Seiji HayashimotoSeiji Hayashimoto (5 patents)Junichi NakayamaJunichi Nakayama (5 patents)Nobuyuki MiyajimaNobuyuki Miyajima (5 patents)Yuji IwaiYuji Iwai (3 patents)Sakae KosandaSakae Kosanda (2 patents)Hirotoshi HinumaHirotoshi Hinuma (1 patent)Naohiro TateishiNaohiro Tateishi (1 patent)Tomoichi FujihashiTomoichi Fujihashi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toyo Contact Lens Company, Limited (2 from 20 patents)

2. Sony Group Corporation (1 from 3,430 patents)

3. Ebara Corporation (1 from 2,508 patents)

4. Lion Corporation (1 from 271 patents)


4 patents:

1. 12135476 - Medical observation system and display device

2. 7090777 - Aggregation precipitation method

3. 4738790 - Method for cleaning contact lenses with composition containing

4. 4710313 - Detergent composition for contact lenses

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as of
12/13/2025
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