Growing community of inventors

Kawasaki, Japan

Chikako Kawana

Average Co-Inventor Count = 6.00

ph-index = 1

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 = 4

Chikako KawanaHirofumi Nakayasu (2 patents)Chikako KawanaTakashi Maekawa (2 patents)Chikako KawanaYoshiaki Hosokawa (2 patents)Chikako KawanaMasaki Kanoh (2 patents)Chikako KawanaKenji Umehara (2 patents)Chikako KawanaChikako Kawana (2 patents)Hirofumi NakayasuHirofumi Nakayasu (28 patents)Takashi MaekawaTakashi Maekawa (10 patents)Yoshiaki HosokawaYoshiaki Hosokawa (8 patents)Masaki KanohMasaki Kanoh (4 patents)Kenji UmeharaKenji Umehara (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fujitsu Corporation (2 from 39,230 patents)


2 patents:

1. 5120146 - Printer having a bail roller opening and closing mechanism

2. 5071275 - Printer having a bail roller opening and closing mechanism

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idiyas.com
as of
12/14/2025
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