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For the Inventor, By the Inventor

Tanashi, Japan

Masao Kunita

This inventor holds 16 USPTO granted patents. Top assignee: Citizen Watch Company, Ltd.. Active years: 1980-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masao Kunita. Retrieved from https://idiyas.com/inventor/masao-kunita

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

USPTO Granted Patents = 16

% Patents Active = 93.8

Average Co-Inventor Count = 3.4

ph-index = 4

Forward Citations = 47(Granted Patents)


Location History:

  • Tokorozawa, JP (1983 - 1985)
  • Saitama, JP (1987 - 1989)
  • Tanashi, JP (1985 - 1993)
  • Sayama, JP (1980 - 2007)

Company Filing History:

goldMedal16 out of 2,004 
 
Citizen Watch Company, Ltd.
 patents

Years Active: 1980-2007

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16 patents (USPTO):Explore Patents
1. 7185586 - Type-printer (2007-03-06),
2. 5209585 - Print head for a dot matrix printer (1993-05-11),
3. 5039236 - Print head with tapered conical return spring (1991-08-13),
4. 4852480 - Dot line printer with individually replaceable printing head (1989-08-01),
5. 4795283 - Print head for a dot-printer (1989-01-03),
6. 4757760 - Wire mask for a dot printer head apparatus (1988-07-19),
7. 4650348 - Method of dot-printing underlines (1987-03-17),
8. D281079 - Frame for printing head (1985-10-22),
9. D281077 - Core block for printing head (1985-10-22),
10. D281076 - Printing hammer for dot printer (1985-10-22),
11. 4509421 - Printer head for a dot line printer (1985-04-09),
12. 4502382 - Head for impact type of dot line printer (1985-03-05),
13. 4484519 - Stylus driving apparatus for printers (1984-11-27),
14. 4386861 - Dot matrix impact printer (1983-06-07),
15. 4234260 - Device for feeding ink ribbon (1980-11-18),

Title: The Innovative Contributions of Masao Kunita

Introduction

Masao Kunita is a notable inventor based in Tanashi, Japan. He has made significant contributions to the field of printing technology, holding a total of 16 patents. His work has been instrumental in advancing the functionality and efficiency of various printing devices.

Latest Patents

Among his latest innovations is a type-printer that features a select lever and a permanent magnet within its type selection mechanism. This design allows the select lever to remain in a stable position, influenced by the magnetic polarities of the permanent magnet and the lever's distal end, which is activated by a magnetization coil. Another significant invention is a print head for a dot matrix printer. This print head includes multiple print needles that are slidably mounted, along with armatures connected to the needles and electromagnets that operate these armatures. The design also incorporates a center ring to stop the armature attracted by the electromagnet and a residual sheet to prevent the armature from sticking to the electromagnet's core.

Career Highlights

Masao Kunita is currently employed at Citizen Watch Company, Ltd., where he continues to innovate and develop new technologies. His work has not only enhanced the capabilities of printing devices but has also contributed to the overall advancement of the industry.

Collaborations

Throughout his career, Kunita has collaborated with talented individuals such as Toshio Kurihara and Makoto Yasunaga. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Masao Kunita's contributions to printing technology are noteworthy and have had a lasting impact on the industry. His innovative spirit and dedication to his craft continue to inspire future generations of inventors.

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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