Growing community of inventors

Sakai, Japan

Tohru Hirano

Average Co-Inventor Count = 5.62

ph-index = 3

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 = 91

Tohru HiranoMasayuki Niino (3 patents)Tohru HiranoToshio Hirai (1 patent)Tohru HiranoNobuhito Kuroishi (1 patent)Tohru HiranoJunichi Teraki (1 patent)Tohru HiranoHirofumi Nishibayashi (1 patent)Tohru HiranoRyuzo Watanabe (1 patent)Tohru HiranoAkio Suzuki (1 patent)Tohru HiranoNobuyuki Yatsuyanagi (1 patent)Tohru HiranoNobuhiro Sata (1 patent)Tohru HiranoShogi Kawachi (1 patent)Tohru HiranoKanichiro Sumiyoshi (1 patent)Tohru HiranoJun Ikeuchi (1 patent)Tohru HiranoTohru Hirano (3 patents)Masayuki NiinoMasayuki Niino (9 patents)Toshio HiraiToshio Hirai (26 patents)Nobuhito KuroishiNobuhito Kuroishi (17 patents)Junichi TerakiJunichi Teraki (16 patents)Hirofumi NishibayashiHirofumi Nishibayashi (11 patents)Ryuzo WatanabeRyuzo Watanabe (6 patents)Akio SuzukiAkio Suzuki (6 patents)Nobuyuki YatsuyanagiNobuyuki Yatsuyanagi (5 patents)Nobuhiro SataNobuhiro Sata (3 patents)Shogi KawachiShogi Kawachi (1 patent)Kanichiro SumiyoshiKanichiro Sumiyoshi (1 patent)Jun IkeuchiJun Ikeuchi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Daikin Industries, Ltd. (3 from 4,283 patents)

2. Other (1 from 832,912 patents)

3. Sumitomo Electric Industries, Limited (1 from 10,273 patents)

4. Agency of Industrial Science and Technology (1 from 1,430 patents)

5. Science and Technology Agency (1 from 7 patents)

6. National Aerospace Laboratories of Science & Technology Agency (1 from 3 patents)


3 patents:

1. 4997708 - Fluororesin/metal base functionally gradient material

2. 4778649 - Method of producing composite materials

3. 4751099 - Method of producing a functionally gradient material

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1/7/2026
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