Noriyuki Tokuhiro

This inventor holds 24 USPTO granted patents and 2 published patent applications, plus 1 CIPO patent and 2 EPO patents, primarily in Semiconductor Technology. Top assignee: Fujitsu Corporation. Active years: 1991-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Noriyuki Tokuhiro. Retrieved from https://idiyas.com/inventor/noriyuki-tokuhiro

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

USPTO Granted Patents = 24 (Patent Applications = 2)

% Patents Active = 66.7

CIPO Patents = 1

EPO Patents = 2 (Patent Applications = 2)

Average Co-Inventor Count = 1.4

ph-index = 5

Forward Citations = 100(Granted Patents)

Location History:

Yokohama, JP (1991 - 1994)
Kawasaki, JP (2001 - 2019)

Company Filing History:

24 out of 39,371

Fujitsu Corporation

patents

Years Active: 1991-2019

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Areas of Expertise:

PAM Reception Circuit

Delay Circuit

Memory Interface Circuit

Signal Control Circuit

Driver Circuit

Digital DLL Device

Semiconductor Device

Signal Restoration Circuit

Data Transmission System

Differential Input Circuit

Digital-to-Analog Converter

Analog-to-Digital Converter

24 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10484229 - PAM reception circuit and reception apparatus (2019-11-19),

2. 10256798 - Test method of delay circuit including delay line (2019-04-09),

3. 9558798 - Receiving circuit, memory interface circuit, and receiving method (2017-01-31),

4. 9552310 - Signal control circuit, information processing apparatus, and signal control method (2017-01-24),

5. 9437261 - Memory controller and information processing device (2016-09-06),

6. 9361253 - Signal control circuit, information processing apparatus, and duty ratio calculation method (2016-06-07),

7. 8976619 - Semiconductor apparatus (2015-03-10),

8. 8854090 - Driver circuit and semiconductor device (2014-10-07),

9. 8788780 - Signal restoration circuit, latency adjustment circuit, memory controller, processor, computer, signal restoration method, and latency adjustment method (2014-07-22),

10. 8760211 - Level converter and processor (2014-06-24),

11. 8723569 - Signal receiving circuit, memory controller, processor, computer, and phase control method (2014-05-13),

12. 8547133 - Semiconductor device, circuit board device, and information processing device (2013-10-01),

13. 8020022 - Delay time control of memory controller (2011-09-13),

14. 7362127 - Driver circuit (2008-04-22),

15. 7298192 - Digital DLL device, digital DLL control method, and digital DLL control program (2007-11-20),

Title: Noriyuki Tokuhiro: Innovator in PAM Reception Circuit Technology

Introduction

Noriyuki Tokuhiro is a prominent inventor based in Kawasaki, Japan, known for his significant contributions to the field of pulse amplitude modulation (PAM) technology. With a remarkable portfolio of 24 patents, Tokuhiro continues to push the boundaries of innovation in communication technology.

Latest Patents

Among Tokuhiro's latest patents is the "PAM reception circuit and reception apparatus." This advanced circuit features a first comparison circuit designed to output a bit value based on the comparison of a reception signal characterized by PAM, divided into four potential levels through three threshold values using gray codes. This method enhances accuracy in signal processing by employing an absolute value comparison circuit and a second comparison circuit to determine signal fidelity.

Another notable patent is the "test method of a delay circuit including a delay line." This invention comprises a delay line that modifies an input signal based on a specified delay setting and a logic circuit that processes both the input and the delayed signals. These patents showcase Tokuhiro's expertise in developing sophisticated technologies that are essential for modern communication systems.

Career Highlights

Noriyuki Tokuhiro has built a distinguished career at Fujitsu Corporation, where he applies his innovative approach to research and development. His work at a leading global technology company reflects his dedication to advancing telecommunications and signal processing.

Collaborations

Throughout his career, Tokuhiro has collaborated with other talented innovators, including Yasutaka Kanayama and Hiroshi Miyake. Together, they have contributed to various projects that underscore the importance of teamwork and collaboration in engineering and technology advancements.

Conclusion

Noriyuki Tokuhiro's extensive portfolio of patents and his continued efforts to innovate in PAM technology position him as a key figure in the field of communications. His work not only enhances technological capabilities but also serves as an inspiration for future inventors striving to make an impact in the realm of technology.

Profile summary based on public USPTO records.