Growing community of inventors

Chigasaki, Japan

Masaaki Yanagisawa

Average Co-Inventor Count = 1.71

ph-index = 11

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 = 313

Masaaki YanagisawaArata Ono (8 patents)Masaaki YanagisawaHideaki Asano (6 patents)Masaaki YanagisawaJun Akabane (5 patents)Masaaki YanagisawaKunio Komaki (3 patents)Masaaki YanagisawaTetsuro Goto (2 patents)Masaaki YanagisawaTsutomu Wakabayashi (2 patents)Masaaki YanagisawaKen Moro (2 patents)Masaaki YanagisawaYoichi Hirose (2 patents)Masaaki YanagisawaShoko Ryuen (2 patents)Masaaki YanagisawaNaoki Tomino (2 patents)Masaaki YanagisawaTakashi Fujimaki (2 patents)Masaaki YanagisawaYoshio Matsuzawa (2 patents)Masaaki YanagisawaHidenori Miyamoto (1 patent)Masaaki YanagisawaKazuyuki Kazami (1 patent)Masaaki YanagisawaTatsuya Kobayashi (1 patent)Masaaki YanagisawaHideya Inoue (1 patent)Masaaki YanagisawaAkira Nojima (1 patent)Masaaki YanagisawaKoichi Daitoku (1 patent)Masaaki YanagisawaHideki Ito (1 patent)Masaaki YanagisawaAkira Ezawa (1 patent)Masaaki YanagisawaToshio Sosa (1 patent)Masaaki YanagisawaYasuki Nagaoka (1 patent)Masaaki YanagisawaJun Konno (1 patent)Masaaki YanagisawaMasao Owashi (1 patent)Masaaki YanagisawaMasanobu Kaneko (1 patent)Masaaki YanagisawaKazuto Otsuka (1 patent)Masaaki YanagisawaMasaaki Yanagisawa (35 patents)Arata OnoArata Ono (31 patents)Hideaki AsanoHideaki Asano (20 patents)Jun AkabaneJun Akabane (38 patents)Kunio KomakiKunio Komaki (7 patents)Tetsuro GotoTetsuro Goto (102 patents)Tsutomu WakabayashiTsutomu Wakabayashi (60 patents)Ken MoroKen Moro (24 patents)Yoichi HiroseYoichi Hirose (17 patents)Shoko RyuenShoko Ryuen (16 patents)Naoki TominoNaoki Tomino (15 patents)Takashi FujimakiTakashi Fujimaki (8 patents)Yoshio MatsuzawaYoshio Matsuzawa (7 patents)Hidenori MiyamotoHidenori Miyamoto (157 patents)Kazuyuki KazamiKazuyuki Kazami (105 patents)Tatsuya KobayashiTatsuya Kobayashi (85 patents)Hideya InoueHideya Inoue (76 patents)Akira NojimaAkira Nojima (60 patents)Koichi DaitokuKoichi Daitoku (38 patents)Hideki ItoHideki Ito (38 patents)Akira EzawaAkira Ezawa (33 patents)Toshio SosaToshio Sosa (30 patents)Yasuki NagaokaYasuki Nagaoka (25 patents)Jun KonnoJun Konno (19 patents)Masao OwashiMasao Owashi (14 patents)Masanobu KanekoMasanobu Kaneko (11 patents)Kazuto OtsukaKazuto Otsuka (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nikon Corporation (29 from 8,889 patents)

2. Other (2 from 832,680 patents)

3. Showa Denko K.k. (2 from 1,960 patents)

4. Resonac Corporation (2 from 288 patents)

5. Showa Denko Kabushiki Kaisha (1 from 405 patents)

6. Nikon Vision Co., Ltd. (1 from 90 patents)


35 patents:

1. 11990166 - Ferroelectric recording medium and ferroelectric storage apparatus

2. 11705157 - Ferroelectric recording medium and ferroelectric storage apparatus

3. D783072 - Microscope

4. D742951 - Digital camera

5. D696332 - Digital camera

6. D671586 - Camera lens

7. D670320 - Digital camera

8. D669520 - Digital camera

9. D665005 - Camera lens

10. D664583 - Camera lens

11. D664582 - Digital camera

12. D623676 - Binoculars

13. D579472 - Binoculars

14. D556800 - Microscope

15. D484899 - Binoculars

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as of
12/6/2025
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