Growing community of inventors

Higashiosaka, Japan

Masashi Tokunaga

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 = 24

Masashi TokunagaTetsuya Imamura (1 patent)Masashi TokunagaSeiichi Suzuki (1 patent)Masashi TokunagaKenjirou Tsuda (1 patent)Masashi TokunagaHaruyo Ohkubo (1 patent)Masashi TokunagaYutaka Shirai (1 patent)Masashi TokunagaMasashi Tokunaga (1 patent)Tetsuya ImamuraTetsuya Imamura (18 patents)Seiichi SuzukiSeiichi Suzuki (17 patents)Kenjirou TsudaKenjirou Tsuda (6 patents)Haruyo OhkuboHaruyo Ohkubo (1 patent)Yutaka ShiraiYutaka Shirai (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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


1 patent:

1. 6331851 - Graphic display apparatus, synchronous reproduction method, and AV synchronous reproduction apparatus

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1/8/2026
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