IDiyas

For the Inventor, By the Inventor

Kawasaki, Japan

Masahiro Wanou

USPTO Granted Patents = 12

Average Co-Inventor Count = 5.6

ph-index = 7

Forward Citations = 157(Granted Patents)


Company Filing History:

goldMedal12 out of 39,228 
 
Fujitsu Corporation
 patents

Years Active: 1989-2001

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12 patents (USPTO):Explore Patents
1. 6301450 - Electrophotography apparatus (2001-10-09),
2. 6175710 - Electrophotographic recording apparatus using developing device with one-component type developer and having combination of charge injection effect and conductive contact type charger (2001-01-16),
3. 6134395 - Image forming apparatus capable of preventing adhesion of a developer to (2000-10-17),
4. 5946523 - Printing apparatus (1999-08-31),
5. 5572298 - Image forming apparatus having a developing apparatus which includes a (1996-11-05),
6. 5467176 - Image forming method and apparatus with magnetic brush (1995-11-14),
7. 5448341 - Image forming apparatus (1995-09-05),
8. 5331383 - Conductive roller transfer device with improved transfer efficiency and (1994-07-19),
9. 5060016 - Process unit for image forming apparatus, including a charging brush (1991-10-22),
10. 5012282 - Brush contact type charging unit in an image forming apparatus (1991-04-30),
11. 4897672 - Method and apparatus for detecting and compensating light emission from (1990-01-30),
12. 4804994 - Compact electrophotographic printing apparatus having an improved (1989-02-14),

Title: Innovations of Masahiro Wanou

Introduction

Masahiro Wanou is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of electrophotography, holding a total of 12 patents. His work focuses on enhancing the efficiency and reliability of printing technologies.

Latest Patents

Wanou's latest patents include an electrophotography apparatus designed to improve service life management of printing units. This apparatus features a non-volatile memory that stores a count value for managing the service life of the printing unit. The count value is written to the memory on the printing unit side when print processing is not in progress, ensuring accurate service life evaluation. Another notable patent is for an electrophotographic recording apparatus that utilizes a one-component developer. This apparatus includes a photosensitive drum, a developing device with a conductive foam rubber roller, and a transferring device that electrostatically transfers the visible image to paper.

Career Highlights

Masahiro Wanou is currently employed at Fujitsu Corporation, where he continues to innovate in the field of electrophotography. His work has been instrumental in advancing printing technologies, making them more efficient and reliable.

Collaborations

Wanou has collaborated with notable coworkers such as Masatoshi Kimura and Sachio Sasaki, contributing to various projects and innovations within the company.

Conclusion

Masahiro Wanou's contributions to electrophotography have significantly impacted the printing industry. His innovative patents and collaborative efforts continue to drive advancements in this field.

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