Growing community of inventors

Hitachinaka, Japan

Yuichi Toyama

Average Co-Inventor Count = 4.00

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 = 0

Yuichi Toyama ↔ Hiroshi Miyamoto (1 patent)Yuichi Toyama ↔ Kazuya Saito (1 patent)Yuichi Toyama ↔ Shinjiro Ishida (1 patent)Yuichi ToyamaYuichi Toyama (1 patent)Hiroshi MiyamotoHiroshi Miyamoto (3 patents)Kazuya SaitoKazuya Saito (3 patents)Shinjiro IshidaShinjiro Ishida (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi Astemo Ltd. (1 from 1,198 patents)


1 patent:

1. 12359636 - Internal-combustion engine control device and filter regeneration method

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12/9/2025
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