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For the Inventor, By the Inventor

Tokyo, Japan

Cleanup Corporation


USPTO Granted Patents = 2


Forward Citations = 164

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6 inventors (with patents filed for the assignee):

goldMedal Hideto Watabe (2 out of 2 patents)

silverMedal Keizo Watanabe (1 out of 6 patents)

bronzeMedal Masanori Takagi (1 out of 9 patents)

4.  Yoshinori Momose (1 out of 1 patent)

5.  Masahisa Kujiraoka (1 out of 1 patent)

6.  Hiroshi Sato (1 out of 101 patents)

7.  Daisaku Maeda (3 patents)

8.  Keijiro Shigeru (9 patents)

9.  Kazuyuki Watanabe (3 patents)

10.  Katsutoshi Obata (0 patent)

11.  Yuichiro Kida (0 patent)

12.  Masahiro Fukadu (0 patent)

13.  Sayuri Endo (0 patent)


2 patents:

1. 5223829 - Electric locker apparatus with automatic locker box designation device (1993-06-29),
2. 5172970 - Electric locker apparatus with emergency unlocking (1992-12-22),
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USPTO Data Jan 1 1976 - Sep 22 2026

2 Patents

#4,354 in Tokyo

#11,115 in Japan

Tokyo, JP
Tokyo, Japan

Cleanup Corporation

Forward Citations = 164

6 inventors:

goldMedal Hideto Watabe (2 out of 2 patents)

silverMedal Keizo Watanabe (1 out of 6 patents)

bronzeMedal Masanori Takagi (1 out of 9 patents)

4.  Yoshinori Momose (1 out of 1 patent)

5.  Masahisa Kujiraoka (1 out of 1 patent)

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