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Toshiba-Emi Limited

USPTO Granted Patents = 12

Forward Citations = 101

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23 inventors (with patents filed for the assignee):

Keiji Kakinuma (5 out of 5 patents)

Toshio Miyazawa (2 out of 9 patents)

Kazushige Katsuumi (2 out of 5 patents)

4. Toshihiro Tsukamoto (2 out of 2 patents)

5. Takeshi Hagio (1 out of 29 patents)

6. Takashi Tomita (1 out of 1 patent)

7. Mikio Mori (1 out of 1 patent)

8. Minami Amano (1 out of 1 patent)

9. Hideyuki Irie (1 out of 1 patent)

10. Kuniaki Ochiai (1 out of 25 patents)

11. Shigeo Komakine (1 out of 13 patents)

12. Toshihilo Tsukamoto (1 out of 1 patent)

13. Yoshiyuki Shimoi (1 out of 1 patent)

14. Akihito Nakabayashi (1 out of 1 patent)

15. Ryouju Takagishi (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. 6267578 - Bonded optical disk with internal abutting structure to control spacing of bonded halves and thickness of bond layer (2001-07-31),

2. 6078561 - Bonded optical disk with internal abutting structure to control spacing (2000-06-20),

3. 6019863 - Optical disk structure, method of manufacturing the same, and apparatus (2000-02-01),

4. 5982737 - Optical disk having first design visible from one side of the disk and a (1999-11-09),

5. 5961777 - Apparatus for manufacturing bonded disks (1999-10-05),

6. 5956317 - Composite optical disk with structure for preventing adhesive from (1999-09-21),

7. 5728250 - Method and apparatus for manufacturing bonded disks (1998-03-17),

8. 5725093 - Disk case (1998-03-10),

9. 5649346 - Manufacturing method for ink jet printer head (1997-07-22),

10. 5590451 - Manufacturing method for ink jet printer head (1997-01-07),

11. 5301404 - Method of producing printer head using piezoelectric member (1994-04-12),

12. 4519008 - Method of recording and reproducing visual information in audio (1985-05-21),

Company Overview

Toshiba-Emi Limited, based in Tokyo, specializes in the development and manufacturing of advanced electronic components and systems. The company focuses on a diverse range of technologies, including semiconductor devices, electronic circuits, and various industrial applications. With a commitment to innovation, Toshiba-Emi plays a significant role in enhancing the performance and efficiency of electronic products across multiple sectors, contributing to advancements in technology both locally and globally.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

12 Patents

#1,729 in Tokyo

#3,935 in Japan

#48,163 in the World

Toshiba-Emi Limited

Forward Citations = 101

23 inventors:

Keiji Kakinuma (5 out of 5 patents)

Toshio Miyazawa (2 out of 9 patents)

Kazushige Katsuumi (2 out of 5 patents)

4. Toshihiro Tsukamoto (2 out of 2 patents)

5. Takeshi Hagio (1 out of 29 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Toshiba-Emi Limited. Retrieved from https://idiyas.com/company/toshiba-emi

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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