Growing community of inventors

Ohira, Japan

Yuuji Funayama

Average Co-Inventor Count = 6.00

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 = 2

Yuuji Funayama ↔ Kazuaki Tobari (1 patent)Yuuji Funayama ↔ Yasuo Notohara (1 patent)Yuuji Funayama ↔ Wataru Hatsuse (1 patent)Yuuji Funayama ↔ Dongsheng Li (1 patent)Yuuji Funayama ↔ Kentaro Oi (1 patent)Yuuji Funayama ↔ Kenji Tamura (0 patent)Yuuji Funayama ↔ Hiroki Umeda (0 patent)Yuuji Funayama ↔ Atsushi Okuyama (0 patent)Yuuji FunayamaYuuji Funayama (1 patent)Kazuaki TobariKazuaki Tobari (46 patents)Yasuo NotoharaYasuo Notohara (23 patents)Wataru HatsuseWataru Hatsuse (9 patents)Dongsheng LiDongsheng Li (6 patents)Kentaro OiKentaro Oi (3 patents)Kenji TamuraKenji Tamura (0 patent)Hiroki UmedaHiroki Umeda (0 patent)Atsushi OkuyamaAtsushi Okuyama (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi Industrial Equipment Systems Co., Ltd. (1 from 496 patents)

2. Hitachi Appliances, Inc (48 patents)

3. Johnson Controls-Hitachi Air Conditioning Technology (Hong Kong) Limited (11 patents)


1 patent:

1. 8344671 - Speed controller of magnetic motor

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1/7/2026
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