Growing community of inventors

Hadano, Japan

Tetsuya Umehara

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 = 14

Tetsuya Umehara ↔ Tamotsu Nagamatsu (1 patent)Tetsuya Umehara ↔ Tatsumi Kosaka (1 patent)Tetsuya Umehara ↔ Satoshi Kaneda (1 patent)Tetsuya Umehara ↔ Konosuke Yagi (1 patent)Tetsuya Umehara ↔ Shimon Nishida (1 patent)Tetsuya UmeharaTetsuya Umehara (1 patent)Tamotsu NagamatsuTamotsu Nagamatsu (4 patents)Tatsumi KosakaTatsumi Kosaka (1 patent)Satoshi KanedaSatoshi Kaneda (1 patent)Konosuke YagiKonosuke Yagi (1 patent)Shimon NishidaShimon Nishida (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Adeka Corporation (1 from 436 patents)

2. Rinrei Wax Co., Ltd. (1 from 1 patent)


1 patent:

1. 9102783 - Strippable coating composition for floors

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12/24/2025
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