Growing community of inventors

Yachiyo, Japan

Tsutomu Choh

Average Co-Inventor Count = 5.09

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 = 62

Tsutomu Choh ↔ Masao Shigeta (2 patents)Tsutomu Choh ↔ Ippo Hirai (2 patents)Tsutomu Choh ↔ Hiroshi Hosaka (1 patent)Tsutomu Choh ↔ Shohei Mimura (1 patent)Tsutomu Choh ↔ Asako Kajita (1 patent)Tsutomu Choh ↔ Atsushi Makimura (1 patent)Tsutomu Choh ↔ Hiroyoshi Shimizu (1 patent)Tsutomu ChohTsutomu Choh (2 patents)Masao ShigetaMasao Shigeta (13 patents)Ippo HiraiIppo Hirai (3 patents)Hiroshi HosakaHiroshi Hosaka (16 patents)Shohei MimuraShohei Mimura (5 patents)Asako KajitaAsako Kajita (3 patents)Atsushi MakimuraAtsushi Makimura (2 patents)Hiroyoshi ShimizuHiroyoshi Shimizu (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tdk Corporation (2 from 7,965 patents)

2. Tokyo Magnetic Printing Co., Ltd. (1 from 14 patents)


2 patents:

1. 5252148 - Soft magnetic alloy, method for making, magnetic core, magnetic shield

2. 4923533 - Magnetic shield-forming magnetically soft powder, composition thereof,

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as of
12/17/2025
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