Growing community of inventors

Kanagawa, Japan

Sumio Yoshikawa

Average Co-Inventor Count = 1.34

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 = 260

Sumio YoshikawaKazuo Kamata (2 patents)Sumio YoshikawaYukitsugu Hata (2 patents)Sumio YoshikawaKuniharu Kitagawa (2 patents)Sumio YoshikawaKatsuhiko Tanaka (1 patent)Sumio YoshikawaKanji Tokuda (1 patent)Sumio YoshikawaMasayuki Shimizu (1 patent)Sumio YoshikawaYoshiharu Okino (1 patent)Sumio YoshikawaAtsushi Shiraishi (1 patent)Sumio YoshikawaKaoru Uchiyama (1 patent)Sumio YoshikawaSatoru Sawada (1 patent)Sumio YoshikawaYuji Takenaka (1 patent)Sumio YoshikawaMinoru Saito (1 patent)Sumio YoshikawaTakatoshi Otsu (1 patent)Sumio YoshikawaSumio Yoshikawa (23 patents)Kazuo KamataKazuo Kamata (61 patents)Yukitsugu HataYukitsugu Hata (21 patents)Kuniharu KitagawaKuniharu Kitagawa (12 patents)Katsuhiko TanakaKatsuhiko Tanaka (63 patents)Kanji TokudaKanji Tokuda (34 patents)Masayuki ShimizuMasayuki Shimizu (33 patents)Yoshiharu OkinoYoshiharu Okino (29 patents)Atsushi ShiraishiAtsushi Shiraishi (22 patents)Kaoru UchiyamaKaoru Uchiyama (21 patents)Satoru SawadaSatoru Sawada (19 patents)Yuji TakenakaYuji Takenaka (12 patents)Minoru SaitoMinoru Saito (4 patents)Takatoshi OtsuTakatoshi Otsu (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fuji Photo Film Company, Limited (23 from 16,458 patents)


23 patents:

1. 6240258 - Cartridge, laboratory system, image data recording method, camera and photograph processing method

2. 6047140 - Cartridge, laboratory system, image data recording method, camera and

3. 5995768 - Lens-fitted photo film unit and data recording method therefor

4. 5831714 - Photographic processing system and collating system

5. 5819126 - Lens-fitted photo film unit and data recording method therefor

6. 5734463 - Print processing method, photographic printer, and print stacking device

7. 5617180 - Apparatus for conveying photographic film

8. 5583610 - Print processing method, photographic printer, and print stacking device

9. 5453815 - Print processing method, photographic printer, and print stacking device

10. 5325144 - Photographic film curling correcting method and apparatus

11. 5287141 - Print processing method, photographic printer, and print stacking device

12. 5274422 - Print processing method

13. 5264683 - Method of collating photographic prints with photographic film

14. 5124742 - Photofinishing method and reception apparatus for photofinishing order

15. 5115304 - Copying device with developing and transfer device

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as of
12/8/2025
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