Company Filing History:

6 out of 2,979

Minolta Camera Kabushiki Kaisha

patents

4 out of 2,816

Minolta Company, Ltd.

patents

Years Active: 1989-2001

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6304741 - Image fixing apparatus and image forming apparatus using the same (2001-10-16),

2. 5974294 - Fixing device having infrared transparent member (1999-10-26),

3. 5870660 - Heating device (1999-02-09),

4. 5550622 - Flexible blade cleaning device used in an image forming apparatus (1996-08-27),

5. 5220391 - Image forming apporating having cleaning roller rotatable at different (1993-06-15),

6. 5030974 - Image recording apparatus with recording electrode array (1991-07-09),

7. 4999678 - Cleaning apparatus for cleaning the surface of a photosensitive member (1991-03-12),

8. 4963944 - Residual toner cleaning device for image forming apparatus (1990-10-16),

9. 4945388 - Method and apparatus for cleaning a color image forming apparatus by (1990-07-31),

10. 4878082 - Automatic image density control apparatus (1989-10-31),

Title: Keigo Tange: Innovator in Image Fixing Technology

Introduction

Keigo Tange is a prominent inventor based in Okazaki, Japan. He has made significant contributions to the field of image fixing technology, holding a total of 10 patents. His innovative designs have enhanced the efficiency and quality of image processing in various applications.

Latest Patents

One of Tange's latest patents is an image fixing apparatus that utilizes a fixing roller to contact the image surface of recording mediums. This apparatus includes a pressure roller that applies necessary pressure for fixing toner images and an external heating roller that maintains the fixing roller's surface layer at a predetermined temperature. The heat transfer coefficient of the fixing roller ranges from 20 W/m·K to 100 W/m·K, ensuring a necessary fixing nip width without increasing the apparatus's size or holding pressure. This design allows for stable maintenance of an appropriate fixing temperature, leading to high-quality image fixing both individually and continuously.

Another notable patent is a fixing device featuring an infrared transparent member. This device consists of a hollow cylindrical sleeve surrounding a hollow glass roller containing a halogen heater. The glass roller, made of an infrared-transparent material, is heated by absorbing infrared rays from the halogen heater. The pressure roller nips and holds the sheet carrying toner between itself and the glass roller, ensuring effective image fixing.

Career Highlights

Throughout his career, Keigo Tange has worked with notable companies such as Minolta Camera Kabushiki Kaisha and Minolta Company, Ltd. His work has significantly impacted the development of image processing technologies, making him a respected figure in the industry.

Collaborations

Tange has collaborated with talented individuals such as Tetsuro Ito and Yuusuke Morigami. These partnerships have contributed to the advancement of his innovative projects and patents.

Conclusion

Keigo Tange's contributions to image fixing technology have established him as a leading inventor in his field. His patents reflect a commitment to innovation and quality, ensuring that his work continues to influence the industry for years to come.

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