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For the Inventor, By the Inventor

Tokyo, Japan

Hidenori Maruyama

This inventor holds 15 USPTO granted patents and 3 published patent applications. Top assignee: Nec Corporation. Active years: 1996-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hidenori Maruyama. Retrieved from https://idiyas.com/inventor/hidenori-maruyama

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 15 

% Patents Active = 93.3

Average Co-Inventor Count = 1.1

ph-index = 7

Forward Citations = 176(Granted Patents)


Company Filing History:

goldMedal15 out of 36,684 
 
Nec Corporation
 patents

Years Active: 1996-2010

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15 patents (USPTO):Explore Patents
1. 7856006 - Mobile communication apparatus, mobile communication system, and power consumption reducing method for use therewith (2010-12-21),
2. 6965586 - Initial synchronization method in DS-CDMA inter-base station asynchronous cellular scheme (2005-11-15),
3. 6614840 - Equalizer with phase-locked loop (2003-09-02),
4. 6522702 - Radio data communication terminal (2003-02-18),
5. 6396884 - Automatic frequency control circuit (2002-05-28),
6. 6151371 - Automatic frequency control circuit (2000-11-21),
7. 6144708 - Phase-locked loop circuit with equalizer and phase locking method (2000-11-07),
8. 6005896 - Radio data communication device and radio data communication method (1999-12-21),
9. 5960030 - Carrier detection unit and carrier detection method (1999-09-28),
10. 5898907 - Radio transmitter-receiver adopting both a single frequency and a double (1999-04-27),
11. 5883920 - Spread spectrum receiving apparatus with battery saving function (1999-03-16),
12. 5802101 - Direct sequence SS LAN station with reduced power consumption and method (1998-09-01),
13. 5774468 - Terminal unit for wireless communication network (1998-06-30),
14. 5724382 - Multimode spread spectrum communication system tolerant to varying (1998-03-03),
15. 5583884 - Spread spectrum modulation and demodulation systems which accelerate (1996-12-10),

Title: Hidenori Maruyama: Innovator in Mobile Communication Technology

Introduction

Hidenori Maruyama is a prominent inventor based in Tokyo, Japan, recognized for his significant contributions to mobile communication technology. With a remarkable portfolio of 15 patents, he has demonstrated a strong commitment to innovation in this fast-evolving field.

Latest Patents

Maruyama's latest patents showcase his expertise in developing advanced mobile communication apparatuses and methods. Notably, one of his innovations is a mobile communication apparatus that includes a transmission portion designed to transmit data while varying the amount of data to be transmitted under control of scheduling from at least a base station. This technology features a schedule portion that halts the operation of unnecessary circuits by managing the operational rate of the transmission portion to enhance efficiency.

Another ground-breaking patent focuses on an initial synchronization method in a DS-CDMA inter-base station asynchronous cellular scheme. This method employs a systematic three-stage process for transmitting a spreading code sequence. It begins with the detection of correlation power values and proceeds to identify the group with maximum correlation sums, ensuring accurate synchronization across communication networks.

Career Highlights

Hidenori Maruyama is associated with NEC Corporation, a leading technology company known for its innovative solutions. His tenure at NEC has allowed him to push the boundaries of mobile communication technologies, contributing to both academic and applied research.

Collaborations

Throughout his career, Maruyama has collaborated with esteemed colleagues, including Hideho Tomita and Yoshikazu Ikegami. These partnerships have facilitated the exchange of ideas and expertise, further propelling advancements in communication technology.

Conclusion

With his extensive patent portfolio and dedication to research, Hidenori Maruyama continues to be a pivotal figure in the realm of mobile communications. His work not only enhances current technologies but also lays the groundwork for future innovations that will shape the way we connect and communicate globally.

Profile summary based on public USPTO records.
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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