Growing community of inventors

Tokyo, Japan

Hirofumi Tomita

Average Co-Inventor Count = 3.65

ph-index = 4

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 = 161

Hirofumi TomitaMasatsugu Oda (4 patents)Hirofumi TomitaToshiro Sakaki (3 patents)Hirofumi TomitaNaoko Sasaki (3 patents)Hirofumi TomitaNobuyuki Nonaka (3 patents)Hirofumi TomitaHitoshi Saito (2 patents)Hirofumi TomitaKazuya Yoshida (2 patents)Hirofumi TomitaShino Takao (2 patents)Hirofumi TomitaShuhei Someya (1 patent)Hirofumi TomitaTetsuya Matsuyama (1 patent)Hirofumi TomitaManabu Katsurada (1 patent)Hirofumi TomitaMakoto Aoyagi (1 patent)Hirofumi TomitaHiroshi Funada (1 patent)Hirofumi TomitaKatsufumi Ehata (1 patent)Hirofumi TomitaShinichi Tsuchiya (1 patent)Hirofumi TomitaYoshinobu Shimokura (1 patent)Hirofumi TomitaMitsuyuki Nara (1 patent)Hirofumi TomitaHirofumi Tomita (9 patents)Masatsugu OdaMasatsugu Oda (16 patents)Toshiro SakakiToshiro Sakaki (7 patents)Naoko SasakiNaoko Sasaki (3 patents)Nobuyuki NonakaNobuyuki Nonaka (3 patents)Hitoshi SaitoHitoshi Saito (176 patents)Kazuya YoshidaKazuya Yoshida (30 patents)Shino TakaoShino Takao (13 patents)Shuhei SomeyaShuhei Someya (14 patents)Tetsuya MatsuyamaTetsuya Matsuyama (10 patents)Manabu KatsuradaManabu Katsurada (8 patents)Makoto AoyagiMakoto Aoyagi (8 patents)Hiroshi FunadaHiroshi Funada (8 patents)Katsufumi EhataKatsufumi Ehata (3 patents)Shinichi TsuchiyaShinichi Tsuchiya (2 patents)Yoshinobu ShimokuraYoshinobu Shimokura (1 patent)Mitsuyuki NaraMitsuyuki Nara (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Dai Nippon Printing Co., Ltd. (4 from 3,202 patents)

2. Mitsubishi Chemical Industries Limited (2 from 614 patents)

3. Mitsubishi Kasei Corporation (2 from 499 patents)

4. Tdk Corporation (1 from 7,976 patents)


9 patents:

1. 11978941 - Bias tee circuit and PoC circuit using the same

2. 7893005 - Receptor layer transfer material, transfer sheet, and coloring material receptor sheet with relief layer, and image forming method using the same

3. 6852672 - Dye-receptive layer transfer sheet

4. 6420310 - Thermal transfer image receiving sheet

5. 6300278 - Thermal transfer image receiving sheet

6. 5407902 - Methoxyiminoacetic acid derivative and agricultural/horticultural

7. 4956375 - N-indanyl carboxamide derivative and agricultural/horticultural

8. 4914097 - N-indanyl carboxamide derivative and agricultural/horticultural

9. 4840959 - Pyridinecarboxamide derivatives and their use as fungicide

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1/3/2026
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