Growing community of inventors

Atsugi, Japan

Hajime Kasai

Average Co-Inventor Count = 4.50

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 = 13

Hajime KasaiShinya Tagawa (2 patents)Hajime KasaiKeisuke Mutou (2 patents)Hajime KasaiAkihiko Kouzai (2 patents)Hajime KasaiYoshiro Takamatsu (1 patent)Hajime KasaiMasahiko Kikuchi (1 patent)Hajime KasaiTeruhisa Takano (1 patent)Hajime KasaiKouki Minegishi (1 patent)Hajime KasaiMakoto Shibano (1 patent)Hajime KasaiYoshiro Takamatsu (1 patent)Hajime KasaiHajime Kasai (3 patents)Shinya TagawaShinya Tagawa (25 patents)Keisuke MutouKeisuke Mutou (9 patents)Akihiko KouzaiAkihiko Kouzai (2 patents)Yoshiro TakamatsuYoshiro Takamatsu (19 patents)Masahiko KikuchiMasahiko Kikuchi (13 patents)Teruhisa TakanoTeruhisa Takano (11 patents)Kouki MinegishiKouki Minegishi (2 patents)Makoto ShibanoMakoto Shibano (1 patent)Yoshiro TakamatsuYoshiro Takamatsu (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Clarion Co (2 from 1,057 patents)

2. Nissan Motor Company Limited (1 from 13,398 patents)


3 patents:

1. 9457842 - Parking mode selection apparatus and method using the steering wheel

2. 8947259 - Vehicle wrong-way travel detection device

3. 8754782 - Vehicle wrong-way travel detection device

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as of
12/14/2025
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