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For the Inventor, By the Inventor

Tokyo, Japan

Nobuhiko Karafuji

This inventor holds 13 USPTO granted patents. Top assignee: Ryobi Limited. Active years: 1993-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuhiko Karafuji. Retrieved from https://idiyas.com/inventor/nobuhiko-karafuji

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

USPTO Granted Patents = 13

% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 8

Forward Citations = 156(Granted Patents)


Location History:

  • Chiyoda-ku, JP (1996 - 1997)
  • Tokyo, JP (1993 - 2002)

Company Filing History:

goldMedal12 out of 546 
 
Ryobi Limited
 patents
where one patent can have more than one assignee

Years Active: 1993-2002

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13 patents (USPTO):Explore Patents
1. D460981 - Printing machine (2002-07-31),
2. D420019 - Hole puncher for printing plate (2000-02-01),
3. D416283 - Printing machine (1999-11-09),
4. D412525 - Printing machine (1999-08-03),
5. D405108 - Offset printing machine (1999-02-02),
6. D378831 - Offset printing machine (1997-04-15),
7. D373790 - Offset printing machine (1996-09-17),
8. D363735 - Printing machine (1995-10-31),
9. D359056 - Drilling machine (1995-06-06),
10. D357934 - Offset printing machine (1995-05-02),
11. D357499 - Offset printing machine (1995-04-18),
12. D353833 - Offset printing machine (1994-12-27),
13. D341533 - Portable electric hammer drill (1993-11-23),

Title: Nobuhiko Karafuji: Innovator in Printing Technology

Introduction

Nobuhiko Karafuji is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of printing technology, holding a total of 13 patents. His work has been instrumental in advancing the capabilities of printing machines.

Latest Patents

Among his latest innovations are a printing machine and a hole puncher for printing plates. These inventions showcase his commitment to enhancing the efficiency and functionality of printing processes.

Career Highlights

Nobuhiko Karafuji is currently employed at Ryobi Limited, a company known for its innovative printing solutions. His role at Ryobi has allowed him to further develop his ideas and bring them to fruition in the market.

Collaborations

Throughout his career, Karafuji has collaborated with notable colleagues, including Hideo Aoyama and Yuichiro Tachibana. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Nobuhiko Karafuji's contributions to printing technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the future of printing solutions.

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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