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Chiba-Prefecture

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USPTO Granted Patents = 13

% Expired Patents = 76.9

EPO Patents = 8

Forward Citations = 6

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20 inventors (with patents filed for the assignee):

Akira Nakagawara (9 out of 12 patents)

Hiroki Nagase (3 out of 3 patents)

Toshikazu Bando (3 out of 7 patents)

4. Hiroshi Sugiyama (3 out of 87 patents)

5. Atsushi Takatori (2 out of 2 patents)

6. Toshinori Ozaki (2 out of 3 patents)

7. Miki Ohira (2 out of 2 patents)

8. Hiroyuki Kubo (1 out of 21 patents)

9. Takahiro Hirata (1 out of 2 patents)

10. Yasutoshi Tatsumi (1 out of 1 patent)

11. Shin Ishii (1 out of 3 patents)

12. Takeshi Goto (1 out of 14 patents)

13. Yasuko Yoshida (1 out of 9 patents)

14. Saichi Yamada (1 out of 3 patents)

15. Masanobu Sugimoto (1 out of 4 patents)

13 patents: Sort by Forward Citations

1. 11185593 - Alkylating agent for alkylating target with driver oncogene mutation (2021-11-30),

2. 10751421 - Alkylating agent for alkylating target with driver oncogene mutation (2020-08-25),

3. 10350300 - Alkylating agent for alkylating target with driver oncogene mutation (2019-07-16),

4. 8202690 - Cancer marker and therapeutic agent for cancer (2012-06-19),

5. 7985556 - Method of screening apoptosis accelerating compound or anti-apoptotic compound and method of determining malignancy of neurodegenerative disease (2011-07-26),

6. 7618787 - Method of screening compound capable of accelerating or inhibiting apoptosis, apoptosis accelarator and apoptosis inhibitor (2009-11-17),

7. 7601532 - Microarray for predicting the prognosis of neuroblastoma and method for predicting the prognosis of neuroblastoma (2009-10-13),

8. 7429451 - Nucleic acids isolated from stage 4 neuroblastoma (2008-09-30),

9. 7384750 - Nucleic acid sequences having characteristics of enhanced expression in human neuroblastoma with favorable prognosis based on comparison between human neuroblastoma with favorable prognosis and human neuroblastoma with unfavorable prognosis (2008-06-10),

10. 7358349 - Nucleic acids having expression differentials between hepatoblastoma and normal liver (2008-04-15),

11. 7335755 - Nucleic acids isolated in neuroblastoma (2008-02-26),

12. 7214782 - Nucleic acid of novel human kinesin-related gene protein encoded by the nucleic acid peptide fragment thereof and anticancer agents comprising the nucleic acid and the like (2007-05-08),

13. 4992374 - Mutant vaccinia virus and process for production thereof (1991-02-12),

Company Overview

Chiba Prefecture, located in Japan, is a vibrant region known for its diverse economic activities and technological advancements. The prefecture specializes in various sectors, including manufacturing, agriculture, and tourism, leveraging its strategic position near Tokyo. Chiba is home to numerous research institutions and companies focusing on innovation in fields such as biotechnology, environmental technology, and advanced materials. The region's commitment to fostering a collaborative environment supports the growth of both established enterprises and startups.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

13 Patents

#47 in Chiba

#3,752 in Japan

#45,081 in the World

Chiba-Prefecture

Forward Citations = 6

20 inventors:

Akira Nakagawara (9 out of 12 patents)

Hiroki Nagase (3 out of 3 patents)

Toshikazu Bando (3 out of 7 patents)

4. Hiroshi Sugiyama (3 out of 87 patents)

5. Atsushi Takatori (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chiba-Prefecture. Retrieved from https://idiyas.com/company/chiba-prefecture

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]

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