Growing community of inventors

Ibaraki, Japan

Takahiro Yoneyama

Average Co-Inventor Count = 4.29

ph-index = 2

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 = 21

Takahiro YoneyamaMasatoshi Takagi (1 patent)Takahiro YoneyamaHiroshi Iwane (1 patent)Takahiro YoneyamaKeishin Handa (11 patents)Takahiro YoneyamaYuji Ohgomori (2 patents)Takahiro YoneyamaShuji Ichikawa (1 patent)Takahiro YoneyamaNaoko Sumitani (1 patent)Takahiro YoneyamaHidekazu Miyagi (1 patent)Takahiro YoneyamaShoichi Seo (1 patent)Takahiro YoneyamaSatoshi Imada (1 patent)Takahiro YoneyamaKatsufumi Kujira (1 patent)Takahiro YoneyamaTakashi Fujiwara (0 patent)Takahiro YoneyamaTakahiro Yoneyama (3 patents)Masatoshi TakagiMasatoshi Takagi (28 patents)Hiroshi IwaneHiroshi Iwane (27 patents)Keishin HandaKeishin Handa (11 patents)Yuji OhgomoriYuji Ohgomori (7 patents)Shuji IchikawaShuji Ichikawa (10 patents)Naoko SumitaniNaoko Sumitani (9 patents)Hidekazu MiyagiHidekazu Miyagi (6 patents)Shoichi SeoShoichi Seo (2 patents)Satoshi ImadaSatoshi Imada (1 patent)Katsufumi KujiraKatsufumi Kujira (1 patent)Takashi FujiwaraTakashi Fujiwara (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Chemical Corporation (2 from 2,346 patents)

2. Mitsubishi Petrochemical Company Limited (1 from 546 patents)


3 patents:

1. 5726340 - Method of producing aromatic carbonate

2. 5543547 - Method of producing aromatic carbonate

3. 5254742 - Process for preparing 2-hexene-1,6-dial

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12/5/2025
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