Growing community of inventors

Kanagawa, Japan

Hirofumi Ienaga

Average Co-Inventor Count = 1.71

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 = 15

Hirofumi IenagaJunichi Maekawa (1 patent)Hirofumi IenagaThomas H Semple (1 patent)Hirofumi IenagaMasanori Abe (1 patent)Hirofumi IenagaShigeaki Hashimoto (1 patent)Hirofumi IenagaHirofumi Ienaga (3 patents)Junichi MaekawaJunichi Maekawa (10 patents)Thomas H SempleThomas H Semple (3 patents)Masanori AbeMasanori Abe (3 patents)Shigeaki HashimotoShigeaki Hashimoto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nissan Motor Company Limited (3 from 13,402 patents)

2. Ohi Seisakusho Co., Ltd. (1 from 242 patents)


3 patents:

1. 4953910 - Openable roof control device of wheeled motor vehicle

2. D295899 - Automobile rear combination lamp

3. D293095 - Automobile radiator grill

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idiyas.com
as of
12/17/2025
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