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% Expired Patents = 20.0

Forward Citations = 1

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6 inventors (with patents filed for the assignee):

Tatsutoshi Suzuki (4 out of 14 patents)

Eisuke Suzuki (4 out of 7 patents)

Daisuke Suzuki (4 out of 4 patents)

4. Kazuto Yamauchi (3 out of 19 patents)

5. Yasuhisa Sano (1 out of 9 patents)

6. Ai Isohashi (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 10770301 - Planarization processing device (2020-09-08),

2. 10665480 - Planarizing processing method and planarizing processing device (2020-05-26),

3. 10199242 - Planarizing processing method and planarizing processing device (2019-02-05),

4. 10163645 - Method for processing wide-bandgap semiconductor substrate and apparatus therefor (2018-12-25),

5. 9082715 - Substrate polishing apparatus (2015-07-14),

Toho Engineering Co., Ltd. is a leading engineering and construction company based in Japan. They specialize in providing innovative solutions in the areas of urban development, infrastructure, energy, and environment. With a strong focus on sustainability and quality, Toho Engineering is committed to delivering projects that exceed customer expectations. Their expertise, experience, and dedication make them a trusted partner for clients seeking reliable and efficient engineering services.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

5 Patents

#7 in Yokkaichi

#6,649 in Japan

Yokkaichi, Japan

Toho Engineering Co., Ltd.