Minamiashigara, Japan

Kenji Watanabe

This inventor holds 6 USPTO granted patents. Top assignees: Fuji Photo Film Company, Limited, Fujifilm Corporation. Active years: 1981-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Watanabe. Retrieved from https://idiyas.com/inventor/kenji-watanabe-oqtlzzdf

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


% Patents Active = 33.3

Average Co-Inventor Count = 3.1

ph-index = 4

Forward Citations = 30(Granted Patents)


Location History:

  • Odawara, JP (1981)
  • Minamiashigara, JP (2002 - 2008)

Company Filing History:


Years Active: 1981-2008

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6 patents (USPTO):Explore Patents

Title: Kenji Watanabe: Innovator in Film Technology

Introduction

Kenji Watanabe is a notable inventor based in Minami-ashigara, Japan. He has made significant contributions to the field of film technology, holding a total of 6 patents. His innovative designs and methods have advanced the efficiency and effectiveness of film manufacturing processes.

Latest Patents

One of Watanabe's latest patents is the slitter blade assembly. This invention features a disk-shaped rotary blade with a cutting edge and a first beveled surface that faces a drum-shaped rotary blade. The design allows for a progressive spacing from the drum-shaped rotary blade toward the cutting edge. Additionally, the disk-shaped rotary blade includes a second beveled surface that faces the workpiece to be cut off, ensuring precision in the cutting process.

Another significant patent is related to a film winding method, film winding apparatus, and film manufacturing apparatus. This invention includes a winding mechanism designed for winding a narrower web. It features a drive shaft with a torque transmitting member and a holder that is rotatably mounted on the drive shaft. The design incorporates a spring and cushioning members to enhance the winding process, ensuring that the pressing force is effectively applied to the winding core.

Career Highlights

Throughout his career, Kenji Watanabe has worked with prominent companies such as Fuji Photo Film Company, Limited and Fujifilm Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in film technology.

Collaborations

Watanabe has collaborated with notable coworkers, including Fujio Kuwabara and Akihiro Sanda. These partnerships have contributed to the advancement of his inventions and the overall progress in the field.

Conclusion

Kenji Watanabe's contributions to film technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry, showcasing the importance of innovation in advancing 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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