Growing community of inventors

Musashino, Japan

Tooru Katayama

Average Co-Inventor Count = 2.31

ph-index = 3

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 = 48

Tooru KatayamaMasafumi Ito (4 patents)Tooru KatayamaShigeru Hasegawa (4 patents)Tooru KatayamaKatsuhiro Takashima (1 patent)Tooru KatayamaKeiji Tsunoda (1 patent)Tooru KatayamaTooru Katayama (5 patents)Masafumi ItoMasafumi Ito (198 patents)Shigeru HasegawaShigeru Hasegawa (111 patents)Katsuhiro TakashimaKatsuhiro Takashima (53 patents)Keiji TsunodaKeiji Tsunoda (25 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Teac Corporation (5 from 1,030 patents)


5 patents:

1. D558817 - Label printer with disc recorder

2. D450670 - Digital video disc player

3. D448354 - Digital video disc player

4. D391571 - Optical disc player

5. D357917 - Remote controller for a disc recording/reproducing unit

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/20/2025
Loading…