Growing community of inventors

Kanagawa, Japan

Sonoko Hirasawa

Average Co-Inventor Count = 2.41

ph-index = 5

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 = 64

Sonoko HirasawaTakeshi Fujimatsu (8 patents)Sonoko HirasawaHiroyuki Yamamoto (3 patents)Sonoko HirasawaTakayuki Matsukawa (2 patents)Sonoko HirasawaHiroaki Yoshio (1 patent)Sonoko HirasawaHajime Tamura (1 patent)Sonoko HirasawaKatsuji Aoki (1 patent)Sonoko HirasawaShin Yamada (1 patent)Sonoko HirasawaKaori Mori (1 patent)Sonoko HirasawaSonoko Hirasawa (10 patents)Takeshi FujimatsuTakeshi Fujimatsu (23 patents)Hiroyuki YamamotoHiroyuki Yamamoto (7 patents)Takayuki MatsukawaTakayuki Matsukawa (10 patents)Hiroaki YoshioHiroaki Yoshio (34 patents)Hajime TamuraHajime Tamura (27 patents)Katsuji AokiKatsuji Aoki (26 patents)Shin YamadaShin Yamada (19 patents)Kaori MoriKaori Mori (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Panasonic Intellectual Property Management Co., Ltd. (9 from 13,247 patents)

2. Panasonic Intellectual Management Co., Ltd. (1 from 4 patents)


10 patents:

1. 12380725 - Seating position management system and seating position management method

2. 12106622 - Visitor management system and visitor management method

3. 11461736 - Presence status display system and presence status display method

4. 11335173 - Tracking assistance device, tracking assistance system, and tracking assistance method

5. 11212487 - Staying state display system and staying state display method

6. 10321747 - Makeup assistance device, makeup assistance system, makeup assistance method, and makeup assistance program

7. 10181197 - Tracking assistance device, tracking assistance system, and tracking assistance method

8. 9357181 - Tracking assistance device, a tracking assistance system and a tracking assistance method

9. 9251599 - Tracking assistance device, a tracking assistance system and a tracking assistance method that enable a monitoring person to perform a task of correcting tracking information

10. 9191633 - Tracking assistance device, tracking assistance system and tracking assistance method

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as of
12/5/2025
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