Growing community of inventors

Yokohama, Japan

Tohoru Sema

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 = 3

Tohoru Sema ↔ Tsuneo Manabe (1 patent)Tohoru Sema ↔ Shoji Watanabe (1 patent)Tohoru Sema ↔ Yasuko Osaki (1 patent)Tohoru Sema ↔ Shigeyoshi Kobayashi (1 patent)Tohoru Sema ↔ Masazumi Shigematsu (1 patent)Tohoru SemaTohoru Sema (1 patent)Tsuneo ManabeTsuneo Manabe (24 patents)Shoji WatanabeShoji Watanabe (16 patents)Yasuko OsakiYasuko Osaki (11 patents)Shigeyoshi KobayashiShigeyoshi Kobayashi (8 patents)Masazumi ShigematsuMasazumi Shigematsu (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Asahi Glass Company, Limited (1 from 2,560 patents)

2. Lion Corporation (1 from 271 patents)


1 patent:

1. 4781744 - Molding method

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idiyas.com
as of
12/31/2025
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