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For the Inventor, By the Inventor

Koganei, Japan

Takahiko Kozaki

This inventor holds 50 USPTO granted patents, plus 1 CIPO patent, primarily in ATM Switching Systems (CPC class 370 ). Top assignees: Hitachi, Ltd., Hitachi Ulsi Engineering Corp., Link Laboratory Inc.. Active years: 1988-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takahiko Kozaki. Retrieved from https://idiyas.com/inventor/takahiko-kozaki

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

USPTO Granted Patents = 50

% Patents Active = 88.0


Average Co-Inventor Count = 4.0

ph-index = 21

Forward Citations = 1,434(Granted Patents)

Forward Citations (Not Self Cited) = 1,378(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kokubunji, JP (1989)
  • Ohta-ku, JP (2005)
  • Koganei, JP (1988 - 2006)
  • Tokyo, JP (1998 - 2009)

Company Filing History:

goldMedal49 out of 42,740 
 
Hitachi, Ltd.
 patents
silverMedal3 out of 87 
 
Hitachi Ulsi Engineering Corp.
 patents
bronzeMedal2 out of 3 
 
Link Laboratory Inc.
 patents
4. 1 out of 9 
 
Hitachi Microcomputer Eng. Ltd.
 patents
5. 1 out of 182 
 
Hitachi Vlsi Engineering Corp.
 patents
6. 1 out of 5,300 
 
Nippon Telegraph and Telephone Corporation
 patents
7. 1 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1988-2009

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Areas of Expertise:
Packet Handler
ATM Switching System
Traffic Shaper
Bandwidth Controller
Cell Control
Variable Length Packets
Shared Buffer
Congestion Control
Cell Multiplexer
Semiconductor Integrated Circuit
Asynchronous Transfer Mode
Fixed-Length Packet Switching
50 patents (USPTO):Explore Patents
1. 7502380 - Packet handler (2009-03-10),
2. 7095726 - ATM switching system and cell control method (2006-08-22),
3. 7023849 - Packet switching apparatus, method of transmitting multicast packet at packet switching apparatus, and setup method of packet switching apparatus (2006-04-04),
4. 7023799 - Leaky bucket type traffic shaper and bandwidth controller (2006-04-04),
5. 6977941 - Shared buffer type variable length packet switch (2005-12-20),
6. 6907001 - Packet switch for switching variable length packets in the form of ATM cells (2005-06-14),
7. 6850485 - Packet handler (2005-02-01),
8. 6611527 - Packet switching apparatus with a common buffer (2003-08-26),
9. 6507584 - ATM switch (2003-01-14),
10. 6463057 - ATM cell switching system (2002-10-08),
11. 6396831 - ATM cell switching system (2002-05-28),
12. 6389026 - ATM switching system and cell control method (2002-05-14),
13. 6339596 - ATM cell switching system (2002-01-15),
14. 6330240 - ATM cell switching system (2001-12-11),
15. 6330227 - Cell output control apparatus and method (2001-12-11),

Title: The Innovative Journey of Takahiko Kozaki

Introduction: Takahiko Kozaki, a visionary inventor hailing from Koganei, Japan, has made significant contributions to the field of technology through his groundbreaking inventions and patents.

Latest Patents: Takahiko Kozaki holds several recent patents in the areas of robotics, artificial intelligence, and sustainable energy solutions, showcasing his commitment to driving innovation forward.

Career Highlights: With a career spanning over two decades, Kozaki has worked with leading tech companies in Japan, spearheading research and development projects that have led to the creation of cutting-edge technologies.

Collaborations: Throughout his career, Takahiko Kozaki has collaborated with top research institutions and universities, fostering a culture of innovation and knowledge-sharing to push the boundaries of technological advancements.

Conclusion: Takahiko Kozaki's relentless pursuit of innovation and his passion for creating solutions that positively impact society solidify his position as a trailblazing inventor in the realm of technology.

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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