Growing community of inventors

Tokyo, Japan

Yoshiya Kato

Average Co-Inventor Count = 2.40

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 = 449

Yoshiya KatoSyunji Kato (3 patents)Yoshiya KatoMasaaki Hirai (1 patent)Yoshiya KatoTakanobu Kanezashi (1 patent)Yoshiya KatoYuji Doi (1 patent)Yoshiya KatoYuichi Masuda (1 patent)Yoshiya KatoMitsuo Matsunaga (1 patent)Yoshiya KatoYoshiya Kato (5 patents)Syunji KatoSyunji Kato (5 patents)Masaaki HiraiMasaaki Hirai (8 patents)Takanobu KanezashiTakanobu Kanezashi (5 patents)Yuji DoiYuji Doi (5 patents)Yuichi MasudaYuichi Masuda (4 patents)Mitsuo MatsunagaMitsuo Matsunaga (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (2 from 832,761 patents)

2. Casio Computer Co., Ltd. (2 from 5,223 patents)

3. Misawa Homes Co., Ltd. (2 from 26 patents)


5 patents:

1. 6356258 - Keypad

2. 6295052 - Screen display key input unit

3. 5861821 - Keyboard-type input apparatus

4. 5547076 - Packaging structure

5. 5442602 - Wristwatch case with shock absorbing members on the rear side thereof

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as of
12/16/2025
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