Growing community of inventors

Fukuoka, Japan

Naoki Tsukamura

Average Co-Inventor Count = 5.29

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 = 436

Naoki TsukamuraYoshiki Hiruta (2 patents)Naoki TsukamuraKiyoshi Alyfuku (1 patent)Naoki TsukamuraHiroshi Tsuboi (1 patent)Naoki TsukamuraHironori Yamasaki (1 patent)Naoki TsukamuraToshifumi Shigematsu (1 patent)Naoki TsukamuraYoshinobu Uchimura (1 patent)Naoki TsukamuraToshio Yamaguchi (1 patent)Naoki TsukamuraManabu Hirahara (1 patent)Naoki TsukamuraYukio Tashiro (1 patent)Naoki TsukamuraNoriyuki Matsui (1 patent)Naoki TsukamuraRyuzo Fukuda (1 patent)Naoki TsukamuraYuzuru Nakamura (1 patent)Naoki TsukamuraNaoki Tsukamura (3 patents)Yoshiki HirutaYoshiki Hiruta (4 patents)Kiyoshi AlyfukuKiyoshi Alyfuku (22 patents)Hiroshi TsuboiHiroshi Tsuboi (15 patents)Hironori YamasakiHironori Yamasaki (9 patents)Toshifumi ShigematsuToshifumi Shigematsu (6 patents)Yoshinobu UchimuraYoshinobu Uchimura (5 patents)Toshio YamaguchiToshio Yamaguchi (3 patents)Manabu HiraharaManabu Hirahara (2 patents)Yukio TashiroYukio Tashiro (1 patent)Noriyuki MatsuiNoriyuki Matsui (1 patent)Ryuzo FukudaRyuzo Fukuda (1 patent)Yuzuru NakamuraYuzuru Nakamura (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toto Ltd. (3 from 1,192 patents)


3 patents:

1. 5398348 - Water urinal

2. 5184359 - Stool-type apparatus for sampling and assay of urine with swingable

3. 5111539 - Toilet device with system for inspecting health conditions

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12/19/2025
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