This inventor holds 25 USPTO granted patents, primarily in Electrophotography Toner. Top assignees: Konishiroku Photo Industry Co., Ltd., Konica Corporation, Kao Corporation. Active years: 1983-1996.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
13 out of 1,252 
12 out of 3,106 
1 out of 3,678 
Years Active: 1983-1996
Areas of Expertise:
Title: Hiroyuki Takagiwa: Innovator in Color Imaging Technology
Introduction: Hiroyuki Takagiwa, based in Hachioji, Japan, is a prominent inventor specializing in the fields of imaging technology and electrostatics. With an impressive portfolio of 25 patents, Takagiwa has made significant contributions to the development of color image forming apparatuses and related technologies.
Latest Patents: Among his latest innovations is a patent for a color image forming apparatus equipped with a photoreceptor protector. This apparatus integrates an image retainer, charger, multiple developing devices, and a cleaner into a single unit that can be dismounted for easy maintenance. The design allows users to conveniently transition from a position set within the housing to another position for jam disposition, ensuring that the image retaining surface is protected during this process. Additionally, Takagiwa has developed a unique developer for creating electrostatic images, comprising a toner that contains colorant particles and organic fine particles. This toner utilizes a fluoro-containing acrylate homopolymer, which enhances the quality and durability of the developed images.
Career Highlights: Takagiwa has played a pivotal role in several renowned companies, including Konishiroku Photo Industry Co., Ltd. and Konica Corporation. His work has been instrumental in advancing imaging technologies and improving the functionality of various imaging solutions.
Collaborations: Throughout his career, Takagiwa has collaborated with esteemed colleagues such as Meizo Shirose and Jiro Takahashi. Their joint efforts have contributed to the development of innovative technologies in the field of imaging.
Conclusion: Hiroyuki Takagiwa's contributions to color imaging technologies exemplify the importance of innovation in enhancing everyday applications. With a strong foundation in patent development and collaboration with industry experts, Takagiwa continues to impact the field positively, driving advancements that benefit both businesses and consumers alike.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile