% Expired Patents = 50.0

EPO Patents = 1

Forward Citations = 4

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15 inventors (with patents filed for the assignee):

Yoshitaka Nadachi (2 out of 5 patents)

Keiji Umeda (2 out of 5 patents)

Yositaka Nadachi (2 out of 2 patents)

4. Takehiko Fujino (1 out of 11 patents)

5. Shiro Mawatari (1 out of 9 patents)

6. Keita Yunoki (1 out of 2 patents)

7. Siro Mawatari (1 out of 1 patent)

8. Hiromu Shishido (1 out of 2 patents)

9. Ryo Maruyama (1 out of 1 patent)

10. Yukio Ogasawara (1 out of 1 patent)

11. Takumi Yamamoto (1 out of 2 patents)

12. Seiichiro Isobe (1 out of 3 patents)

13. Katsunobu Sakai (1 out of 1 patent)

14. Yukitaka Nogami (1 out of 1 patent)

15. Masahiko Sudo (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 8524282 - Method for production of highly pure phospholipid, and highly pure sphingomyelin and plasmalogen-type glycerophospholipid produced by the method (2013-09-03),

2. 8257771 - Innovative pasteurization method, use thereof and apparatus (2012-09-04),

3. 8236978 - Process for producing sphingomyelin and plasmalogen-form glycerophospholipid (2012-08-07),

4. 8044177 - Water-soluble keratin derivative and use thereof (2011-10-25),

Company Overview

Umeda Jimusho Ltd. is a leading company in the entertainment industry, specializing in talent management, event production, and artist representation. With a strong reputation for discovering and nurturing top talent, Umeda Jimusho Ltd. has been a prominent player in the industry for over 20 years.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

4 Patents

#3,053 in Tokyo

#7,579 in Japan

Tokyo, Japan

Umeda Jimusho Ltd.

Forward Citations = 4

15 inventors:

Yoshitaka Nadachi (2 out of 5 patents)

Keiji Umeda (2 out of 5 patents)

Yositaka Nadachi (2 out of 2 patents)

4. Takehiko Fujino (1 out of 11 patents)

5. Shiro Mawatari (1 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Umeda Jimusho Ltd.. Retrieved from https://idiyas.com/company/umeda-jimusho

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]

1 patent (EPO):

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]