Growing community of inventors

Chiyoda-ku, Japan

Tomokiyo Doi

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 = 0

Tomokiyo Doi ↔ Tetsuya Motoyoshi (1 patent)Tomokiyo Doi ↔ Kazushi Tando (1 patent)Tomokiyo Doi ↔ Manabu Matsui (1 patent)Tomokiyo Doi ↔ Kazunori Nunome (1 patent)Tomokiyo Doi ↔ Teruyuki Shigematsu (1 patent)Tomokiyo DoiTomokiyo Doi (1 patent)Tetsuya MotoyoshiTetsuya Motoyoshi (11 patents)Kazushi TandoKazushi Tando (2 patents)Manabu MatsuiManabu Matsui (2 patents)Kazunori NunomeKazunori Nunome (1 patent)Teruyuki ShigematsuTeruyuki Shigematsu (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Teijin Chemicals Limited (1 from 127 patents)


1 patent:

1. 8378055 - Polyester carbonate copolymer for optical lens and optical lens

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as of
1/13/2026
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