IDiyas

For the Inventor, By the Inventor

Tokyo, Japan

Hirokazu Andou

USPTO Granted Patents = 16

Average Co-Inventor Count = 4.0

ph-index = 6

Forward Citations = 61(Granted Patents)


Company Filing History:

goldMedal16 out of 4,979 
 
Oki Electric Industry Co., Ltd.
 patents

Years Active: 1989-1997

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16 patents (USPTO):Explore Patents
1. 5611631 - Impact printer with reduced electrocorrosion using Zener diode for (1997-03-18),
2. 5474391 - Print gap setting in an impact printer (1995-12-12),
3. 5439302 - Self-adjusting controller for dot impact printer (1995-08-08),
4. 5356228 - Apparatus for driving adjacent elements in a wire-dot print head (1994-10-18),
5. 5310271 - Solenoid actuator (1994-05-10),
6. 5232295 - Wire print head and process for fabricating it (1993-08-03),
7. 5167458 - Wire driving mechanism (1992-12-01),
8. 5165808 - Wire dot print head (1992-11-24),
9. 5137380 - Wire-dot print head (1992-08-11),
10. 5033884 - Wire dot printer head with oil absorbing member (1991-07-23),
11. 5017029 - Corrosion suppressing ink ribbon (1991-05-21),
12. 4974975 - Armature of printing head for use in wire printer (1990-12-04),
13. 4962876 - Method of producing a movable part of a wire-dot print head (1990-10-16),
14. 4950092 - Wire dot print head with a pair of guide nose halves (1990-08-21),
15. 4906116 - Wire-dot print head (1990-03-06),

Title: Hirokazu Andou: Innovator in Impact Printer Technology

Introduction

Hirokazu Andou is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of printing technology, particularly in the development of impact printers. With a total of 16 patents to his name, Andou's innovations have greatly enhanced the functionality and reliability of printing devices.

Latest Patents

Among his latest patents is an innovative impact printer designed with reduced electrocorrosion using a Zener diode. This design features a print head with demagnetizing coils embedded in a filling compound. A resistor or Zener diode is connected in series between the print head and the printer's frame ground, preventing current flow through the filling compound from causing corrosion of the demagnetizing coils while allowing static charge discharge from the print head to ground. Another notable patent involves a print gap setting mechanism in an impact printer. This invention includes a print head with a movable armature and a printing wire fixed to it. The system utilizes sensors to monitor the armature's position and adjust the gap between the printing wire and the platen, ensuring optimal printing performance.

Career Highlights

Hirokazu Andou is currently employed at Oki Electric Industry Co., Ltd., where he continues to innovate in the field of printing technology. His work has been instrumental in advancing the capabilities of impact printers, making them more efficient and reliable for various applications.

Collaborations

Andou has collaborated with notable colleagues in his field, including Mitsuru Kishimoto and Hiroshi Kikuchi. Their combined expertise has contributed to the successful development of several impactful technologies in the printing industry.

Conclusion

Hirokazu Andou's contributions to impact printer technology have established him as a leading inventor in his field. His innovative patents and collaborative efforts continue to shape the future of printing technology.

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