Growing community of inventors

Tsukuba, Japan

Ritsuko Obata

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 = 12

Ritsuko Obata ↔ Naoki Fukutomi (1 patent)Ritsuko Obata ↔ Kazumasa Takeuchi (1 patent)Ritsuko Obata ↔ Takashi Yamadera (1 patent)Ritsuko Obata ↔ Kazuko Suzuki (1 patent)Ritsuko ObataRitsuko Obata (1 patent)Naoki FukutomiNaoki Fukutomi (17 patents)Kazumasa TakeuchiKazumasa Takeuchi (13 patents)Takashi YamaderaTakashi Yamadera (3 patents)Kazuko SuzukiKazuko Suzuki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi Chemical Company, Ltd. (1 from 1,641 patents)


1 patent:

1. 5532105 - Photolithographically viahole-forming photosensitive element comprising

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