Growing community of inventors

Osaka, Japan

Yoshikazu Hirai

Average Co-Inventor Count = 4.20

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 = 153

Yoshikazu HiraiEiichiro Naito (1 patent)Yoshikazu HiraiYoshinori Harada (1 patent)Yoshikazu HiraiYasushi Yoneda (1 patent)Yoshikazu HiraiEmiko Maekawa (1 patent)Yoshikazu HiraiSozo Yamamoto (1 patent)Yoshikazu HiraiKazuhisa Yamada (1 patent)Yoshikazu HiraiAyako Monma (1 patent)Yoshikazu HiraiChie Hirose (1 patent)Yoshikazu HiraiYoshikazu Hirai (2 patents)Eiichiro NaitoEiichiro Naito (22 patents)Yoshinori HaradaYoshinori Harada (16 patents)Yasushi YonedaYasushi Yoneda (10 patents)Emiko MaekawaEmiko Maekawa (5 patents)Sozo YamamotoSozo Yamamoto (4 patents)Kazuhisa YamadaKazuhisa Yamada (1 patent)Ayako MonmaAyako Monma (1 patent)Chie HiroseChie Hirose (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Matsushita Electric Industrial Co., Ltd. (2 from 27,375 patents)


2 patents:

1. 6754437 - Receiver, recorder and player

2. 6166778 - Broadcast receiving apparatus

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1/8/2026
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