% Expired Patents = 40.0

Forward Citations = 10

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9 inventors (with patents filed for the assignee):

Yoshiaki Ishikawa (2 out of 2 patents)

Mary S Rosendahl (1 out of 18 patents)

Charles Raymond Eck (1 out of 5 patents)

4. Duane C Ulmer (1 out of 1 patent)

5. Paul C Ahrens (1 out of 1 patent)

6. Rae M Saltzstein (1 out of 1 patent)

7. Robert C Koltz (1 out of 1 patent)

8. Roberta L Thimmig (1 out of 1 patent)

9. David L Evans (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 10953475 - Chip/dust prevention cover, chip/dust prevention cover set, chuck mechanism, and machine tool (2021-03-23),

2. 10471519 - Chuck mechanism, stair form member attached jaw and machine tool (2019-11-12),

3. 5130252 - Resolution of furopyridine enantiomers and synthetic precursors thereof (1992-07-14),

4. 4935355 - Preparation of dipeptides (1990-06-19),

5. 4731469 - Process for recovery and purification of L-phenylalanine (1988-03-15),

Company Overview

Synthe Tech Inc. is a leading provider of innovative technology solutions in the fields of artificial intelligence, data analytics, and cloud computing. With a talented team of engineers and data scientists, we help businesses leverage cutting-edge technologies to drive growth and efficiency. Our services include AI consulting, predictive analytics, and cloud migration solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

5 Patents

#4 in Kashiwa

#6,651 in Japan

Kashiwa, Japan

Synthe Tech Inc.

Forward Citations = 10

9 inventors:

Yoshiaki Ishikawa (2 out of 2 patents)

Mary S Rosendahl (1 out of 18 patents)

Charles Raymond Eck (1 out of 5 patents)

4. Duane C Ulmer (1 out of 1 patent)

5. Paul C Ahrens (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Synthe Tech Inc.. Retrieved from https://idiyas.com/company/synthe-tech

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]