Growing community of inventors

Osaka, Japan

Ryuji Hayashi

Average Co-Inventor Count = 1.80

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 = 9

Ryuji HayashiShinya Tanaka (1 patent)Ryuji HayashiKunio Sawai (1 patent)Ryuji HayashiToshiaki Irie (1 patent)Ryuji HayashiNobuyuki Okazaki (1 patent)Ryuji HayashiShigeru Kaneko (1 patent)Ryuji HayashiTsukasa Shinmi (1 patent)Ryuji HayashiRyuji Hayashi (3 patents)Shinya TanakaShinya Tanaka (77 patents)Kunio SawaiKunio Sawai (59 patents)Toshiaki IrieToshiaki Irie (9 patents)Nobuyuki OkazakiNobuyuki Okazaki (8 patents)Shigeru KanekoShigeru Kaneko (5 patents)Tsukasa ShinmiTsukasa Shinmi (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Funai Electric Company Ltd. (3 from 2,413 patents)


3 patents:

1. 6913220 - Braking device for magnetic tape apparatus

2. 6788491 - Tape loading apparatus and tape recorder

3. 5335877 - Device for exchanging a tape drive mode

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as of
12/19/2025
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