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For the Inventor, By the Inventor

Tokyo, Japan

Techno Quartz Inc.


USPTO Granted Patents = 3

% Expired Patents = 33.3

Forward Citations = 472

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10 inventors (with patents filed for the assignee):

goldMedal Masahide Kato (2 out of 2 patents)

silverMedal Yasuhiro Umetsu (2 out of 2 patents)

bronzeMedal Shinya Morita (1 out of 72 patents)

4.  Masayoshi Minami (1 out of 20 patents)

5.  Satoshi Aizawa (1 out of 6 patents)

6.  Masayuki Yamada (1 out of 4 patents)

7.  Kosuke Imafuku (1 out of 14 patents)

8.  Katsutoshi Hoshino (1 out of 1 patent)

9.  Hiromi Okada (1 out of 6 patents)

10.  Kazuhisa Osaka (1 out of 1 patent)


3 patents:

1. 10572860 - Product provided with management information (2020-02-25),
2. D789311 - Pattern wafer (2017-06-13),
3. 8991214 - Method of refurbishing a quartz glass component (2015-03-31),
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USPTO Data Jan 1 1976 - Sep 15 2026

3 Patents

#3,556 in Tokyo

#8,949 in Japan

Tokyo, JP
Tokyo, Japan

Techno Quartz Inc.

Forward Citations = 472

10 inventors:

goldMedal Masahide Kato (2 out of 2 patents)

silverMedal Yasuhiro Umetsu (2 out of 2 patents)

bronzeMedal Shinya Morita (1 out of 72 patents)

4.  Masayoshi Minami (1 out of 20 patents)

5.  Satoshi Aizawa (1 out of 6 patents)

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