Growing community of inventors

Tokyo, Japan

Masao Otsuka

Average Co-Inventor Count = 5.00

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 = 1

Masao OtsukaHirotoshi Satou (1 patent)Masao OtsukaKoji Matsushita (1 patent)Masao OtsukaSachiko Naito (1 patent)Masao OtsukaHiroshi Tomozawa (1 patent)Masao OtsukaSachiko Naito (0 patent)Masao OtsukaKoji Matsushita (0 patent)Masao OtsukaMasao Otsuka (1 patent)Hirotoshi SatouHirotoshi Satou (1 patent)Koji MatsushitaKoji Matsushita (1 patent)Sachiko NaitoSachiko Naito (1 patent)Hiroshi TomozawaHiroshi Tomozawa (1 patent)Sachiko NaitoSachiko Naito (0 patent)Koji MatsushitaKoji Matsushita (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Evolium S.a.s. (1 from 36 patents)

2. Alcatel Lucent (5,032 patents)


1 patent:

1. 7949350 - Mobile communication system for providing area information together with control information

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12/15/2025
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