logo

For the Inventor, By the Inventor

Tokyo, Japan

Kigaku Kikai Kabushiki Kaisha


USPTO Granted Patents = 1

Forward Citations = 9

Loading Chart...
Loading Chart...

1 inventor (with patents filed for the assignee):

goldMedal Taketoshi Ishihara (1 out of 9 patents)


1 patent:

1. 4753527 - Visual acuity testing apparatus (1988-06-28),
logo

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#5,743 in Tokyo

#15,561 in Japan

...
Tokyo, Japan

Kigaku Kikai Kabushiki Kaisha

Forward Citations = 9

1 inventor:

goldMedal Taketoshi Ishihara (1 out of 9 patents)

Please report any incorrect information to support@idiyas.com
Loading…