Trademarks = 2

Forward Citations = 26

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13 inventors (with patents filed for the assignee):

Takao Nakagawa (5 out of 13 patents)

Yosuke Nakagawa (2 out of 25 patents)

Koichi Chiba (2 out of 3 patents)

4. Kazumi Inagaki (2 out of 8 patents)

5. Masaaki Abe (2 out of 8 patents)

6. Nobuyoshi Kitagawa (2 out of 2 patents)

7. Koji Masutani (2 out of 7 patents)

8. Shin-ichiro Fujii (1 out of 2 patents)

9. Shin-ichi Miyashita (1 out of 1 patent)

10. Shin-Ichiro Fujii (1 out of 1 patent)

11. Akiko Takatsu (1 out of 1 patent)

12. Tetsuya Sugimoto (1 out of 5 patents)

13. Norio Yasuda (1 out of 2 patents)

6 patents: Sort by Forward Citations

1. 11892428 - Laser ablation device and analysis apparatus (2024-02-06),

2. 9520278 - Nebulizer and analyzer (2016-12-13),

3. 9384956 - Nebulizer and analysis equipment (2016-07-05),

4. 9291556 - Objective optical system for ATR measurement, and ATR measurement device (2016-03-22),

5. 6290363 - Apparatus for reflecting light and changing the length of optical path (2001-09-18),

6. 5595424 - Mini plane (1997-01-21),

Company Overview

S.t. Japan Inc. is a leading technology company based in Japan, specializing in innovative solutions for a wide range of industries. With a focus on research and development, we strive to create cutting-edge products that meet the needs of our customers. Our team of experts is dedicated to providing high-quality services and support to ensure the success of our clients.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#2,469 in Tokyo

#5,989 in Japan

Tokyo, Japan

S.t. Japan Inc.

Forward Citations = 26

13 inventors:

Takao Nakagawa (5 out of 13 patents)

Yosuke Nakagawa (2 out of 25 patents)

Koichi Chiba (2 out of 3 patents)

4. Kazumi Inagaki (2 out of 8 patents)

5. Masaaki Abe (2 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: S.t. Japan Inc.. Retrieved from https://idiyas.com/company/s-t-japan

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]