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For the Inventor, By the Inventor

Shizuoka, Japan

Katsutoshi Nakajima

This inventor holds 11 USPTO granted patents. Top assignees: Yazaki Corporation, Yazaki Coproation. Active years: 2000-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsutoshi Nakajima. Retrieved from https://idiyas.com/inventor/katsutoshi-nakajima

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

USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 5.1

ph-index = 5

Forward Citations = 204(Granted Patents)


Location History:

  • Numazu, JP (2000)
  • Shizuoka-ken, JP (2002 - 2003)
  • Shizuoka, JP (2000 - 2005)

Company Filing History:

goldMedal10 out of 8,377 
 
Yazaki Corporation
 patents
silverMedal1 out of 4 
 
Yazaki Coproation
 patents

Years Active: 2000-2005

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11 patents (USPTO):Explore Patents
1. 6850826 - Vehicle network system and a method of controlling states of vehicle apparatuses (2005-02-01),
2. 6650625 - Ring network system (2003-11-18),
3. 6640254 - Network control device enabling communication between first and second networks utilizing mode switching for downloading a communication program to the second network (2003-10-28),
4. 6590863 - Operation mode changing-over method and multiplex transmission apparatus for realizing the same (2003-07-08),
5. 6504823 - Network monitoring system and method thereof (2003-01-07),
6. 6501574 - Optical multiplex transmission apparatus and optical multiplex transmission method (2002-12-31),
7. 6381714 - Error detection method, error detection apparatus, and network system (2002-04-30),
8. 6253335 - Network abnormality recovery method and system (2001-06-26),
9. 6199174 - Abnormality recovery system (2001-03-06),
10. 6154859 - Abnormality monitor method and abnormality monitor system in a network (2000-11-28),
11. 6040760 - Center cluster module and system, and electrical equipment connector (2000-03-21),

Title: Innovations of Katsutoshi Nakajima

Introduction

Katsutoshi Nakajima is a prominent inventor based in Shizuoka-ken, Japan. He has made significant contributions to the field of vehicle network systems and communication technologies. With a total of 11 patents to his name, Nakajima's work has had a considerable impact on the automotive industry.

Latest Patents

One of Nakajima's latest patents is a vehicle network system and a method of controlling states of vehicle apparatuses. This innovation involves a communication integrated circuit (IC) in an audio-visual (AV) controller that periodically notifies multiple slave apparatuses, such as a CD player, radio, and amplifier, of a system state command. The CPUs of these slave apparatuses determine if their current state aligns with the system state command from the AV controller. If there is a discrepancy, the apparatus state is adjusted to match the command. Another notable patent is related to a ring network system, where multiple devices with first communication ICs are interconnected in a ring-like manner. A rack unit is placed between adjacent devices, allowing for the installation of additional devices and facilitating data communication among them.

Career Highlights

Throughout his career, Nakajima has worked with notable companies, including Yazaki Corporation and Yazaki Corporation. His experience in these organizations has contributed to his expertise in developing advanced communication systems for vehicles.

Collaborations

Nakajima has collaborated with several talented individuals in his field, including Akira Norizuki and Hiroshi Nishiyama. These partnerships have fostered innovation and the development of cutting-edge technologies.

Conclusion

Katsutoshi Nakajima's contributions to vehicle network systems and communication technologies highlight his role as a leading inventor in the automotive industry. His innovative patents and collaborations have paved the way for advancements in vehicle communication systems.

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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