Growing community of inventors

Kakegawa, Japan

Tsutomu Hashimoto

Average Co-Inventor Count = 6.00

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 = 20

Tsutomu Hashimoto ↔ Kazuyoshi Harimoto (2 patents)Tsutomu Hashimoto ↔ Atsushi Yamashita (2 patents)Tsutomu Hashimoto ↔ Keiji Suzuki (2 patents)Tsutomu Hashimoto ↔ Eiji Ohsugi (2 patents)Tsutomu Hashimoto ↔ Kiyoshi Kaneko (2 patents)Tsutomu HashimotoTsutomu Hashimoto (2 patents)Kazuyoshi HarimotoKazuyoshi Harimoto (13 patents)Atsushi YamashitaAtsushi Yamashita (5 patents)Keiji SuzukiKeiji Suzuki (2 patents)Eiji OhsugiEiji Ohsugi (2 patents)Kiyoshi KanekoKiyoshi Kaneko (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ntn Corporation (2 from 2,464 patents)


2 patents:

1. 5862592 - Cage for roller bearings and method for manufacturing the same

2. 5528706 - Cage for roller bearings

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as of
12/17/2025
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