Forward Citations = 47

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13 inventors (with patents filed for the assignee):

Norio Kondo (3 out of 6 patents)

Hakumi Hagimoto (3 out of 3 patents)

Yutaka Kashima (3 out of 4 patents)

4. Masami Inoue (1 out of 12 patents)

5. Takashi Moro (1 out of 3 patents)

6. Ryuzaburo Otsuka (1 out of 1 patent)

7. Hidetsugu Yamazaki (1 out of 1 patent)

8. Seiji Tadano (1 out of 1 patent)

9. Toshihumi Yuzawa (1 out of 1 patent)

10. Kiyoshi Tsuchiya (1 out of 5 patents)

11. Tsutomu Tomisawa (1 out of 1 patent)

12. Kiichi Honma (1 out of 1 patent)

13. Masumi Inoue (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 5032039 - Underground excavator (1991-07-16),

2. 4939431 - Control system for synchronous rotation of cutter heads, for use in (1990-07-03),

3. 4797031 - Caisson sinking method (1989-01-10),

4. 4607889 - Shield tunnel boring machine (1986-08-26),

Company Overview

Daiho Construction Co., Ltd. is a leading construction company specializing in residential and commercial projects. With over 20 years of experience in the industry, we offer high-quality construction services, including design, planning, and project management. Our team of skilled professionals is dedicated to delivering projects on time and within budget, ensuring customer satisfaction.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#10 in all of

#7,588 in Japan

all of, Japan

Daiho Construction Co., Ltd.

Forward Citations = 47

13 inventors:

Norio Kondo (3 out of 6 patents)

Hakumi Hagimoto (3 out of 3 patents)

Yutaka Kashima (3 out of 4 patents)

4. Masami Inoue (1 out of 12 patents)

5. Takashi Moro (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Daiho Construction Co., Ltd.. Retrieved from https://idiyas.com/company/daiho-construction-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]