Toyonaka, Japan

Takaji Washio

This inventor holds 10 USPTO granted patents. Top assignee: Mita Industrial Co., Ltd.. Active years: 1976-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takaji Washio. Retrieved from https://idiyas.com/inventor/takaji-washio

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.2

ph-index = 7

Forward Citations = 88(Granted Patents)


Location History:

  • Kashiwara, JA (1976)
  • Toyonaka, JA (1976 - 1977)
  • Toyonaka, JP (1982)
  • Osaka, JP (1984 - 1985)

Company Filing History:


Years Active: 1976-1985

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10 patents (USPTO):Explore Patents

Title: Takaji Washio - Innovator in Copying Technology

Introduction

Takaji Washio, an inventive mind from Toyonaka, Japan, has made significant contributions in the field of copying technology. With a portfolio of ten patents, Washio has demonstrated his expertise and ingenuity in creating solutions that enhance the efficiency and reliability of copying apparatus.

Latest Patents

Among Washio's latest innovations is a state-of-the-art copying apparatus that can perform a first preset number of copying operations for an original document in a successive copying mode, as well as a second preset number of operations for another document in an intruded copying mode. This apparatus is equipped with display elements to indicate preset numbers, counters for tracking operations, and mechanisms to detect paper jams. The design ensures that the accumulated value in the first counter aligns with that of the second counter when a jam occurs, ensuring smooth operation.

Another notable invention is his copy paper feeding device tailored for copying machines. This device features multiple cassettes capable of storing different sizes of copy paper sheets and a corresponding feeder for each cassette. The innovation allows each feeder to be driven selectively, ensuring that paper is fed from one cassette until it’s empty before switching to the next, thereby optimizing the copying process.

Career Highlights

Washio currently contributes his talents at Mita Industrial Co., Ltd., where he plays a pivotal role in developing advanced copying technologies. His career is marked by a commitment to innovating and refining the processes related to copying, which is evident in his numerous patents.

Collaborations

During his career, Takaji Washio has collaborated with esteemed coworkers such as Tatsuo Aizawa and Koichi Sasaki. Together, they have pushed the boundaries of copying technology, combining their expertise to create reliable and efficient solutions in the industry.

Conclusion

Takaji Washio stands out as an influential inventor in the realm of copying technology. Through his ten patents and innovative designs, he has significantly impacted the efficiency of copying apparatus. His contributions continue to shape the future of this essential technology, exemplifying the spirit of innovation that drives progress.

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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