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Ultramemory Inc.

USPTO Granted Patents = 18

% Expired Patents = 16.7

Forward Citations = 27

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15 inventors (with patents filed for the assignee):

Takao Adachi (8 out of 11 patents)

Naoki Ogawa (5 out of 38 patents)

Yasutoshi Yamada (5 out of 19 patents)

4. Ryuji Takishita (3 out of 13 patents)

5. Fumitake Okutsu (3 out of 3 patents)

6. Toshitugu Ueda (3 out of 4 patents)

7. Kazuo Yamaguchi (3 out of 15 patents)

8. Yuji Motoyama (3 out of 3 patents)

9. Kouji Uemura (2 out of 2 patents)

10. Motoaki Saito (1 out of 29 patents)

11. Kazuhiko Kajigaya (1 out of 226 patents)

12. Hideyuki Yoko (1 out of 23 patents)

13. Akihiko Takizawa (1 out of 5 patents)

14. Masatoshi Hasegawa (1 out of 1 patent)

15. Shigeru Nakahara (1 out of 1 patent)

18 patents: Sort by Forward Citations

1. 12542192 - Stacked memory and manufacturing method therefor (2026-02-03),

2. 12334473 - Stacked semiconductor, wafer stack, method of manufacturing stacked semiconductor, assistance device, and program (2025-06-17),

3. 12198748 - Semiconductor memory devices and controller including adjustable strobe delay (2025-01-14),

4. 12183713 - Semiconductor module, method for manufacturing same, and semiconductor module mounting body (2024-12-31),

5. 11881248 - Three-dimensional semiconductor module including system in a package (SIP) with improved heat dissipation efficiency (2024-01-23),

6. 11437350 - Semiconductor device (2022-09-06),

7. 11410970 - Semiconductor module (2022-08-09),

8. 11183484 - Semiconductor module, DIMM module, manufacturing method of semiconductor module, and manufacturing method of DIMM module (2021-11-23),

9. 11094367 - Semiconductor device with sub-amplifier (2021-08-17),

10. 10937765 - Semiconductor device with laminated semiconductor chips (2021-03-02),

11. 10868528 - Signal output device (2020-12-15),

12. 10861530 - Semiconductor storage device (2020-12-08),

13. 10741525 - Semiconductor module (2020-08-11),

14. 10714151 - Layered semiconductor device, and production method therefor (2020-07-14),

15. 10615850 - Layered semiconductor device and data communication method (2020-04-07),

Company Overview

Ultramemory Inc., headquartered in Tokyo, Japan, specializes in advanced memory technologies and solutions. The company focuses on the development and manufacturing of high-performance memory products that cater to various sectors, including consumer electronics, computing, and automotive applications. With a commitment to innovation, Ultramemory leverages cutting-edge research in semiconductor technology to enhance data storage capabilities and improve overall system performance, positioning itself as a key player in the global memory market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

18 Patents

#1,413 in Tokyo

#3,123 in Japan

#34,217 in the World

Ultramemory Inc.

Forward Citations = 27

15 inventors:

Takao Adachi (8 out of 11 patents)

Naoki Ogawa (5 out of 38 patents)

Yasutoshi Yamada (5 out of 19 patents)

4. Ryuji Takishita (3 out of 13 patents)

5. Fumitake Okutsu (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ultramemory Inc.. Retrieved from https://idiyas.com/company/ultramemory

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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