This inventor holds 33 USPTO granted patents and 1 published patent application and 2 EPO patents, primarily in Electrophotographic Toner. Top assignees: Ricoh Company, Ltd., Konica Minolta Business Technologies, Inc.. Active years: 2006-2022.
Location History:
- Ootsu, JP (2011)
- Ohtsu, JP (2009 - 2012)
- Shiga, JP (2012 - 2013)
- Shiga-ken, JP (2013)
- Otsu, JP (2006 - 2014)
- Shizuoka, JP (2015 - 2017)
- Tokyo, JP (2022)
Company Filing History:
30 out of 28,925 
3 out of 2,526 
Years Active: 2006-2022
Areas of Expertise:
Title: Chiyoshi Nozaki: A Pioneer in Polymer Innovation
Introduction
Chiyoshi Nozaki, located in Otsu, Japan, is renowned for his contributions to polymer technology, holding an impressive total of 33 patents. His work primarily focuses on aliphatic polyester resin compositions and polyimide production methods, illustrating his innovative spirit in the realm of materials science.
Latest Patents
Nozaki's recent patents underscore his commitment to advancing polymer chemistry. His first notable patent involves an aliphatic polyester resin composition, which encompasses an aliphatic polyester resin mixed with calcium carbonate. This composition specifies that the calcium carbonate comprises 20% by mass or more, with a number average particle diameter ranging from 0.20 μm to less than 0.40 μm, and a standard deviation of the average particle diameter between 0.3 and 0.6. His second patent details a method for producing a polyimide precursor by reacting tetracarboxylic dianhydride with a diamine compound in a compressive fluid to yield a polyimide precursor, showcasing his expertise in complex chemical reactions.
Career Highlights
Chiyoshi Nozaki's career is marked by his association with leading companies such as Ricoh Company, Ltd. and Konica Minolta Business Technologies, Inc. His experiences with these organizations have undoubtedly shaped his innovative approaches and methodologies in polymer technology.
Collaborations
Throughout his career, Nozaki has collaborated with notable colleagues, including Tsuyoshi Nozaki and Atsushi Yamamoto. These partnerships have likely facilitated the sharing of ideas and advanced research in their respective fields.
Conclusion
Chiyoshi Nozaki stands out as a prominent inventor whose work in polymer technology has left a significant mark in the industry. With numerous patents to his name, his contributions continue to influence the development of innovative materials, paving the way for future advancements in the field.