Growing community of inventors

Tokyo, Japan

Yoshinao Nagashima

Average Co-Inventor Count = 4.11

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 = 108

Yoshinao NagashimaYukihiro Yada (4 patents)Yoshinao NagashimaTakahide Minami (2 patents)Yoshinao NagashimaAkiko Suzuki (1 patent)Yoshinao NagashimaIchiro Sakamoto (1 patent)Yoshinao NagashimaTakashi Imamura (1 patent)Yoshinao NagashimaKazuyuki Fukuda (1 patent)Yoshinao NagashimaShigeto Kayane (1 patent)Yoshinao NagashimaKazutaka Yamashita (1 patent)Yoshinao NagashimaKenji Hara (1 patent)Yoshinao NagashimaMichihito Igaki (1 patent)Yoshinao NagashimaKatsutoshi Hara (1 patent)Yoshinao NagashimaToru Ugajin (1 patent)Yoshinao NagashimaShuji Ishikawa (1 patent)Yoshinao NagashimaKeiichi Sugata (1 patent)Yoshinao NagashimaHaruhito Kazama (1 patent)Yoshinao NagashimaMasakazu Murata (1 patent)Yoshinao NagashimaYoshinao Nagashima (6 patents)Yukihiro YadaYukihiro Yada (11 patents)Takahide MinamiTakahide Minami (6 patents)Akiko SuzukiAkiko Suzuki (75 patents)Ichiro SakamotoIchiro Sakamoto (29 patents)Takashi ImamuraTakashi Imamura (23 patents)Kazuyuki FukudaKazuyuki Fukuda (17 patents)Shigeto KayaneShigeto Kayane (14 patents)Kazutaka YamashitaKazutaka Yamashita (12 patents)Kenji HaraKenji Hara (7 patents)Michihito IgakiMichihito Igaki (6 patents)Katsutoshi HaraKatsutoshi Hara (4 patents)Toru UgajinToru Ugajin (4 patents)Shuji IshikawaShuji Ishikawa (4 patents)Keiichi SugataKeiichi Sugata (1 patent)Haruhito KazamaHaruhito Kazama (1 patent)Masakazu MurataMasakazu Murata (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kao Corporation (6 from 3,600 patents)


6 patents:

1. 8357189 - Physiology enhancing device

2. 7125911 - Autonomic nerve regulating agent

3. 6269817 - Beauty-treatment method

4. 6197343 - Skin color improver

5. 6070092 - Method and apparatus for measuring optical properties of surface state

6. 4983582 - Preventive and therapeutic method for hypertension

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12/5/2025
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