Company Filing History:

9 out of 3,132

Asahi Kogaku Kogyo Kabushiki Kaisha

patents

3 out of 1,056

Pentax Corporation

patents

Years Active: 1993-2006

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7002759 - Lens unit for multibeam scanning device (2006-02-21),

2. 6922268 - Multi-beam scanning device (2005-07-26),

3. 6690496 - Multi-beam scanning device (2004-02-10),

4. 5671466 - Electrophotographic apparatus and sheet guide mechanism (1997-09-23),

5. 5592278 - Continuous form printer with paper guide mechanism (1997-01-07),

6. 5528352 - Electrophotographic apparatus having original separation means (1996-06-18),

7. 5452072 - Transfer unit mounted on a pivotal upper cover (1995-09-19),

8. 5365320 - Sheet warp prevention mechanism employed in a fixing unit of an (1994-11-15),

9. 5321479 - Electrophotographic apparatus (1994-06-14),

10. 5299051 - Housing structure for optical scanning system (1994-03-29),

11. 5274477 - Electrophotographic facsimile apparatus having a pivoted upper structure (1993-12-28),

12. 5268715 - Photoconductive drum exposure prevention structure in a clamshell-type (1993-12-07),

Title: Masakazu Hirano: Innovator in Optical Technologies

Introduction

Masakazu Hirano, a notable inventor based in Tokyo, Japan, has made significant contributions to the field of optical technologies. With a total of 12 patents to his name, Hirano's work showcases his ingenuity and dedication to advancing innovative solutions in this industry.

Latest Patents

Hirano's recent patents highlight his expertise in lens technology and multi-beam scanning devices. One of his latest inventions is a lens unit for a multibeam scanning device. This lens unit features a hollow cylindrical frame that securely accommodates a lens, using a retainer to maintain its position. The design cleverly absorbs deformation caused by temperature changes, ensuring consistent performance within a specified temperature range.

Additionally, his multi-beam scanning device patent reveals a complex arrangement of light-emitting elements and a prism unit. This device includes at least two bonded prisms, featuring reflective portions that enhance the light emission process while providing a gap for optimal beam transmission. Such innovations underscore Hirano's commitment to improving optical device functionality.

Career Highlights

Throughout his career, Masakazu Hirano has been associated with reputable companies such as Asahi Kogaku Kogyo Kabushiki Kaisha (now known as Asahi Optical Co., Ltd.) and Pentax Corporation. His work at these companies has solidified his reputation as a leading inventor in the optical field.

Collaborations

Hirano has also collaborated with talented individuals such as Masatoshi Takano and Kazuhiro Ichinokawa. These partnerships have played a crucial role in the development of his innovative ideas and the realization of his patents.

Conclusion

In conclusion, Masakazu Hirano's contributions to optical technologies through his numerous patents exemplify his role as a pioneering inventor. His innovative designs and collaborative efforts with other experts in the field continue to push the boundaries of what is possible in lens and scanning device technology.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.