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For the Inventor, By the Inventor

Tokyo, Japan

Riso Kogaku Corporation


USPTO Granted Patents = 3

Forward Citations = 15

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3 inventors (with patents filed for the assignee):

goldMedal Hiroshi Kaneda (1 out of 8 patents)

silverMedal Hiroshi Hanzawa (1 out of 9 patents)

bronzeMedal Noboru Hayama (1 out of 1 patent)


3 patents:

1. 5931463 - Sorter and image forming apparatus having the same (1999-08-03),
2. 5483883 - Method for imaging a stencil using a low energy laser and light (1996-01-16),
3. 5483878 - Mimeographic printing machine (1996-01-16),
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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#3,263 in Tokyo

#8,771 in Japan

...
Tokyo, Japan

Riso Kogaku Corporation

Forward Citations = 15

3 inventors:

goldMedal Hiroshi Kaneda (1 out of 8 patents)

silverMedal Hiroshi Hanzawa (1 out of 9 patents)

bronzeMedal Noboru Hayama (1 out of 1 patent)

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