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For the Inventor, By the Inventor

Yokohama, Japan

Fujitsu Media Devices Limited


USPTO Granted Patents = 158

% Expired Patents = 40.5


Forward Citations = 1,229

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134 inventors (with patents filed for the assignee):

goldMedal Masanori Ueda (54 out of 125 patents)

silverMedal Takashi Matsuda (33 out of 186 patents)

bronzeMedal Shogo Inoue (32 out of 67 patents)

4.  Osamu Kawachi (26 out of 55 patents)

5.  Tokihiro Nishihara (23 out of 110 patents)

6.  Jun Tsutsumi (20 out of 79 patents)

7.  Tsuyoshi Yokoyama (17 out of 67 patents)

8.  Tsutomu Miyashita (17 out of 45 patents)

9.  Takeshi Sakashita (16 out of 72 patents)

10.  Masafumi Iwaki (15 out of 71 patents)

11.  Michio Miura (14 out of 54 patents)

12.  Seiichi Mitobe (13 out of 17 patents)

13.  Shinji Taniguchi (12 out of 93 patents)

14.  Satoshi Ueda (9 out of 93 patents)

15.  Satoru Matsuda (9 out of 47 patents)


Core Competencies:
Surface Acoustic Wave
Resonator
Filter
Duplexer
Piezoelectric
Acoustic Wave
Oscillator
Transmission Module
Electronic Device
Fabrication Method
Sensor
High-Frequency Switch

158 patents:

1. 7816998 - Film bulk acoustic resonator and filter (2010-10-19),
2. 7816794 - Electronic device and method of fabricating the same (2010-10-19),
3. RE41813 - Piezoelectric thin-film resonator and filter using the same (2010-10-11),
4. 7800464 - Surface acoustic wave device and duplexer (2010-09-21),
5. 7795999 - Filter having multiple surface acoustic wave filters connected in parallel (2010-09-14),
6. 7786649 - Filter and duplexer (2010-08-31),
7. 7755453 - Duplexer (2010-07-13),
8. 7747227 - Transmission module (2010-06-29),
9. 7746210 - Electronic device (2010-06-29),
10. 7741931 - Acoustic wave device, resonator and filter (2010-06-22),
11. 7741930 - Filter and antenna duplexer (2010-06-22),
12. 7737806 - Piezoelectric thin-film resonator and filter (2010-06-15),
13. 7721411 - Method of manufacturing an acoustic wave device (2010-05-25),
14. 7710220 - Surface acoustic wave device (2010-05-04),
15. 7696833 - Oscillator (2010-04-13),
Company Overview
Fujitsu Media Devices Limited, based in Yokohama, Japan, specializes in the development and manufacturing of surface acoustic wave devices. The company focuses on advanced technologies such as resonators, filters, duplexers, and oscillators, leveraging piezoelectric and acoustic wave principles to enhance communication systems. With a commitment to innovation, Fujitsu Media Devices plays a crucial role in the telecommunications sector, providing essential components that support reliable data transmission and signal processing.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

Fujitsu Media Devices Limited USPTO Patent Assignee Logo
158 Patents

#18 in Yokohama

#826 in Japan

#5,201 in the World

Yokohama, JP
Yokohama, Japan

Fujitsu Media Devices Limited

Forward Citations = 1,229

134 inventors:

goldMedal Masanori Ueda (54 out of 125 patents)

silverMedal Takashi Matsuda (33 out of 186 patents)

bronzeMedal Shogo Inoue (32 out of 67 patents)

4.  Osamu Kawachi (26 out of 55 patents)

5.  Tokihiro Nishihara (23 out of 110 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Fujitsu Media Devices Limited. Retrieved from https://idiyas.com/company/fujitsu-media-devices

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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