Iwate, Japan

Hiroyoshi Zama

This inventor holds 8 USPTO granted patents. Top assignees: Alps Electric Co., Ltd., Alps Electronic Co., Ltd., Shin-Etsu Chemical Co., Ltd.. Active years: 1988-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyoshi Zama. Retrieved from https://idiyas.com/inventor/hiroyoshi-zama

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


% Patents Active = 87.5

Average Co-Inventor Count = 3.0

ph-index = 3

Forward Citations = 56(Granted Patents)


Location History:

  • Soma, JP (1988)
  • Morioka, JP (1999)
  • Iwate-ken, JP (1998 - 2001)
  • Fukushima-ken, JP (2011)

Company Filing History:


Years Active: 1988-2011

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8 patents (USPTO):Explore Patents

Title: Hiroyoshi Zama: Innovator in Disk Label Printing Technology

Introduction

Hiroyoshi Zama is a notable inventor based in Iwate-ken, Japan. He has made significant contributions to the field of printing technology, particularly in the development of disk label printers. With a total of 8 patents to his name, Zama's innovations have enhanced the efficiency and functionality of optical disk printing.

Latest Patents

One of Zama's latest patents is a disk label printer that features a slot-in type optical disk driving mechanism integrated with a printing mechanism. This design allows for a compact size while ensuring smooth transfer of optical disks. The printer includes a case with a slot for inserting or ejecting the optical disk, an optical disk driving mechanism for writing and reading signals, and a printing mechanism equipped with a thermal head for printing images on the label surface of the disk. The thermal head and platen roller are designed to come into pressure contact during the transfer of the optical disk, ensuring high-quality printing.

Another significant patent is an image forming method for thermal transfer printers. This method utilizes a dither matrix composed of multiple dots to record one pixel, allowing for images with multistage gradations. The arrangement of the dither matrix is optimized for sequential plotting in the scanning direction of the thermal head, enabling smooth image recording without discontinuities in energization time.

Career Highlights

Throughout his career, Hiroyoshi Zama has worked with prominent companies such as Alps Electric Co., Ltd. and Alps Electronic Co., Ltd. His experience in these organizations has contributed to his expertise in printing technology and innovation.

Collaborations

Zama has collaborated with notable coworkers, including Koichi Dobashi and Isao Owada. Their collective efforts have further advanced the field of disk label printing and related technologies.

Conclusion

Hiroyoshi Zama's contributions to the field of printing technology, particularly through his innovative disk label printer and image forming methods, have established him as a significant figure in the industry. His work continues to influence advancements in optical disk printing 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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