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Izumiotsu, Japan

Hitoshi Tsurumaru

Average Co-Inventor Count = 8.47

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 = 7

Hitoshi TsurumaruHirohisa Kikuyama (1 patent)Hitoshi TsurumaruTetsuo Nishida (1 patent)Hitoshi TsurumaruKazutaka Hirano (1 patent)Hitoshi TsurumaruMasahide Waki (1 patent)Hitoshi TsurumaruAkihiro Nabeshima (1 patent)Hitoshi TsurumaruHideki Nakashima (1 patent)Hitoshi TsurumaruAkinori Oka (1 patent)Hitoshi TsurumaruMegumi Tomisaki (1 patent)Hitoshi TsurumaruYasutaka Tashiro (1 patent)Hitoshi TsurumaruHiroaki Tokuda (1 patent)Hitoshi TsurumaruSojiro Kon (7 patents)Hitoshi TsurumaruTetsuya Kume (7 patents)Hitoshi TsurumaruYoshinobu Abe (1 patent)Hitoshi TsurumaruRui Hasebe (1 patent)Hitoshi TsurumaruTakanobu Kujime (1 patent)Hitoshi TsurumaruKazuaki Yanagi (3 patents)Hitoshi TsurumaruKeiichi Nii (1 patent)Hitoshi TsurumaruKanenori Ito (1 patent)Hitoshi TsurumaruYoshinobu Sakakibara (0 patent)Hitoshi TsurumaruHitoshi Tsurumaru (2 patents)Hirohisa KikuyamaHirohisa Kikuyama (32 patents)Tetsuo NishidaTetsuo Nishida (26 patents)Kazutaka HiranoKazutaka Hirano (19 patents)Masahide WakiMasahide Waki (18 patents)Akihiro NabeshimaAkihiro Nabeshima (17 patents)Hideki NakashimaHideki Nakashima (14 patents)Akinori OkaAkinori Oka (9 patents)Megumi TomisakiMegumi Tomisaki (9 patents)Yasutaka TashiroYasutaka Tashiro (8 patents)Hiroaki TokudaHiroaki Tokuda (8 patents)Sojiro KonSojiro Kon (7 patents)Tetsuya KumeTetsuya Kume (7 patents)Yoshinobu AbeYoshinobu Abe (7 patents)Rui HasebeRui Hasebe (3 patents)Takanobu KujimeTakanobu Kujime (3 patents)Kazuaki YanagiKazuaki Yanagi (3 patents)Keiichi NiiKeiichi Nii (2 patents)Kanenori ItoKanenori Ito (2 patents)Yoshinobu SakakibaraYoshinobu Sakakibara (0 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Stella Chemifa Corporation (2 from 51 patents)

2. Otsuka Chemical Co., Ltd. (1 from 167 patents)

3. Cataler Corporation (246 patents)


2 patents:

1. 7875732 - Quaternary ammonium salt, electrolyte, electrolyte, solution and electrochemical device

2. 7727415 - Fine treatment agent and fine treatment method using same

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