Growing community of inventors

Kanagawa, Japan

Ryoichi Shimizu

Average Co-Inventor Count = 1.67

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 = 11

Ryoichi ShimizuToru Suzuki (1 patent)Ryoichi ShimizuTakashi Sasaya (1 patent)Ryoichi ShimizuHiromi Hoshino (1 patent)Ryoichi ShimizuKazunari Tanimura (1 patent)Ryoichi ShimizuRyoichi Shimizu (2 patents)Toru SuzukiToru Suzuki (72 patents)Takashi SasayaTakashi Sasaya (8 patents)Hiromi HoshinoHiromi Hoshino (6 patents)Kazunari TanimuraKazunari Tanimura (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (2 from 58,130 patents)


2 patents:

1. 7120352 - Selectable recording frame rate video tape recorder

2. 6065701 - Cassette label for cassette tape incorporating integrated circuit and

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12/19/2025
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