Takanori Nishiyama

This inventor holds 25 USPTO granted patents, primarily in Video Technology. Top assignees: Hitachi, Ltd., Hitachi Engineering Ltd. Active years: 1986-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takanori Nishiyama. Retrieved from https://idiyas.com/inventor/takanori-nishiyama

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

Calculating rank

USPTO Granted Patents = 25

% Patents Active = 92.0

Average Co-Inventor Count = 4.3

ph-index = 11

Forward Citations = 709(Granted Patents)

Location History:

Koganei, JP (1986 - 1994)
Mitaka, JP (1993 - 2006)

Company Filing History:

Hitachi Engineering Ltd

patents

where one patent can have more than one assignee

Years Active: 1986-2006

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Areas of Expertise:

Portable Radio Telephone

Information Terminal

Video Camera

VTR

Wireless Telephone

Camcorder

Video Tape Recorder

Opto-Electronic Link

Playback Function

Rotary Selector

Compact Storage

Camera Integration

25 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7003268 - Portable radio telephone set (2006-02-21),

2. 6628970 - Information terminal (2003-09-30),

3. 6334049 - Information terminal (2001-12-25),

4. 6094586 - Portable radio telephone set (2000-07-25),

5. 5960156 - Video camera combined with recording and reproducing system having a (1999-09-28),

6. 5937360 - Portable radio telephone set (1999-08-10),

7. 5748238 - Video camera (1998-05-05),

8. 5742912 - Portable radio telephone set (1998-04-21),

9. 5565919 - Video camera/VTR and camera station with opto-electronic link between (1996-10-15),

10. 5491507 - Video telephone equipment (1996-02-13),

11. 5436954 - Foldable radio telephone set with rotary selector integral with foldable (1995-07-25),

12. D360425 - Combined video tape recorder and camera (1995-07-18),

13. 5303062 - Folding camcorder for compact storage (1994-04-12),

14. 5278701 - Video camera combined with a VCR having a cylinder assembly positioned (1994-01-11),

15. D342067 - Wireless telephone (1993-12-07),

Title: An Overview of Takanori Nishiyama's Contributions to Portable Radio Communication

Introduction

Takanori Nishiyama is a prominent inventor located in Mitaka, Japan, who has made significant advancements in portable radio communication technology. With an impressive portfolio of 25 patents, his innovative contributions have revolutionized the way users interact with their communication devices.

Latest Patents

Among Nishiyama's latest patents are two noteworthy inventions: the Portable Radio Telephone Set and the Information Terminal. Both patents showcase a portable radio telephone set equipped with a display section that features a rotary selector for selecting various functions. During non-conversation times, users can navigate menus displayed on the screen using the rotary selector, while sound volume adjustments are made seamlessly during conversation times. Notably, the design allows adjustments from both the front and rear sides of the device, ensuring ease of use. The rotary selector and button keys are ergonomically arranged within the thumb's reach, providing intuitive access to ordinary dial functions.

Career Highlights

Takanori Nishiyama's professional journey includes tenure at renowned companies such as Hitachi, Ltd. and Hitachi Engineering Ltd. His experiences in these organizations have undoubtedly shaped his inventive prowess and have contributed to his successful patent portfolio.

Collaborations

Throughout his career, Nishiyama has had the opportunity to collaborate with talented coworkers, including Kazunori Yanagisawa and Sakae Itakura. These collaborations have likely fostered a creative environment that has led to many of the innovative ideas reflected in his patents.

Conclusion

Takanori Nishiyama stands as a notable figure in the field of portable radio communication, with a strong track record of inventive solutions that enhance user experience. His contributions have paved the way for future advancements in communication technology, highlighting the essential role of inventors in driving innovation.

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]