Yachiyu, Japan

Horikiri Spring Mfg., Co., Ltd.


USPTO Granted Patents = 2

Forward Citations = 14

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10 inventors (with patents filed for the assignee):

goldMedal Tadanori Tanaka (1 out of 2 patents)

silverMedal Katuhyosi Takase (1 out of 1 patent)

bronzeMedal Toshifumi Yamada (1 out of 1 patent)

4 Masao Nakamura (1 out of 1 patent)

5 Kazuhiro Muramatsu (1 out of 1 patent)

6 Tosikazu Ebata (1 out of 1 patent)

7 Yoshimichi Hasegawa (1 out of 5 patents)

8 Kazuo Yoshikawa (1 out of 2 patents)

9 Shigetsune Aoyama (1 out of 4 patents)

10 Tsutomu Saito (1 out of 1 patent)


2 patents:

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USPTO Data Jan 1 1976 - Dec 9 2025

2 Patents

#1 in Yachiyu

#10,988 in Japan

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Yachiyu, Japan
Forward Citations = 14

10 inventors:

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