Growing community of inventors

Tokyo, Japan

Kenji Hiroshima

Average Co-Inventor Count = 2.89

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 = 71

Kenji HiroshimaTakeshi Ikegami (12 patents)Kenji HiroshimaTakayuki Matsuo (8 patents)Kenji HiroshimaNobuaki Namikawa (3 patents)Kenji HiroshimaShinya Kaneko (2 patents)Kenji HiroshimaHiroshi Matsumoto (2 patents)Kenji HiroshimaHiroyuki Kameyama (2 patents)Kenji HiroshimaTomoko Hirao (1 patent)Kenji HiroshimaHidekazu Yamada (1 patent)Kenji HiroshimaTakahiro Otomo (1 patent)Kenji HiroshimaKenji Hiroshima (14 patents)Takeshi IkegamiTakeshi Ikegami (64 patents)Takayuki MatsuoTakayuki Matsuo (40 patents)Nobuaki NamikawaNobuaki Namikawa (3 patents)Shinya KanekoShinya Kaneko (32 patents)Hiroshi MatsumotoHiroshi Matsumoto (2 patents)Hiroyuki KameyamaHiroyuki Kameyama (2 patents)Tomoko HiraoTomoko Hirao (7 patents)Hidekazu YamadaHidekazu Yamada (4 patents)Takahiro OtomoTakahiro Otomo (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Unicharm Corporation (13 from 1,645 patents)

2. Uni-charm Petcare Corporation (1 from 12 patents)


14 patents:

1. 11523585 - Dog toilet

2. 9776352 - Method of producing animal litter including bentonite

3. 9655341 - Animal toilet sand

4. 9656770 - Method of filling a container with animal litter

5. 9538722 - Animal litter

6. 8453604 - Animal litter

7. 8327802 - Animal litter box

8. 8230811 - Animal litter

9. 8092630 - Absorbent article for animals and manufacturing method thereof

10. 8020523 - Absorbent article for animal

11. 7987818 - Animal litter box

12. 7856945 - Animal litter box

13. 7849818 - Animal litter box

14. 7832357 - Animal litter box

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as of
12/29/2025
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