Growing community of inventors

Kanagawa, Japan

Keiji Shigesada

Average Co-Inventor Count = 4.04

ph-index = 6

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 = 133

Keiji ShigesadaSeiichi Watanabe (7 patents)Keiji ShigesadaNaoyoshi Chino (6 patents)Keiji ShigesadaMasahiro Enomoto (5 patents)Keiji ShigesadaMototada Yasui (5 patents)Keiji ShigesadaKatsuya Inana (4 patents)Keiji ShigesadaMorio Fujiwara (4 patents)Keiji ShigesadaTakuji Yamada (4 patents)Keiji ShigesadaNorio Shibata (3 patents)Keiji ShigesadaTadashi Mochizuki (3 patents)Keiji ShigesadaAkira Tomita (3 patents)Keiji ShigesadaAkihiro Suzuki (2 patents)Keiji ShigesadaMasuhiko Hirose (2 patents)Keiji ShigesadaAtsuhiko Wada (2 patents)Keiji ShigesadaTakashi Ohgiyama (2 patents)Keiji ShigesadaAkira Wakabayashi (1 patent)Keiji ShigesadaJunichi Katada (1 patent)Keiji ShigesadaTatsuhiko Saeki (1 patent)Keiji ShigesadaKazutoshi Misonoo (1 patent)Keiji ShigesadaSyozo Akiyama (1 patent)Keiji ShigesadaKeiji Shigesada (16 patents)Seiichi WatanabeSeiichi Watanabe (49 patents)Naoyoshi ChinoNaoyoshi Chino (44 patents)Masahiro EnomotoMasahiro Enomoto (11 patents)Mototada YasuiMototada Yasui (8 patents)Katsuya InanaKatsuya Inana (26 patents)Morio FujiwaraMorio Fujiwara (4 patents)Takuji YamadaTakuji Yamada (4 patents)Norio ShibataNorio Shibata (64 patents)Tadashi MochizukiTadashi Mochizuki (10 patents)Akira TomitaAkira Tomita (6 patents)Akihiro SuzukiAkihiro Suzuki (55 patents)Masuhiko HiroseMasuhiko Hirose (14 patents)Atsuhiko WadaAtsuhiko Wada (6 patents)Takashi OhgiyamaTakashi Ohgiyama (3 patents)Akira WakabayashiAkira Wakabayashi (21 patents)Junichi KatadaJunichi Katada (16 patents)Tatsuhiko SaekiTatsuhiko Saeki (4 patents)Kazutoshi MisonooKazutoshi Misonoo (4 patents)Syozo AkiyamaSyozo Akiyama (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fuji Photo Film Company, Limited (9 from 16,458 patents)

2. Fujifilm Corporation (7 from 16,042 patents)


16 patents:

1. 11318484 - Nozzle and dispensing container

2. 10520497 - Immunochromatographic kit

3. 7611655 - Molding metal mold and method for producing a molded item

4. D598122 - Cap of cartridge for component extraction

5. D597679 - Cap of cartridge for component extraction

6. D580558 - Cap of cartridge for component extraction

7. D580068 - Cap of cartridge for component extraction

8. 7147814 - Injection molding method and injection mold

9. 6254023 - Photo film cassette

10. 6216971 - Photo film cassette

11. 6190592 - Method for producing flanges of a photo film cassette

12. 6065702 - Photo film cassette

13. 5833160 - Photo film cassette including an improved flange design for retaining

14. 5582870 - Coating method for applying a coating composition onto a running

15. 5389147 - Cleaning method and apparatus for application-edge surfaces

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as of
12/7/2025
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