Location History:
- Hitachi, JP (1992)
- Ibaraki, JP (1994 - 1997)
Company Filing History:
3 out of 1,267 
2 out of 42,485 
Years Active: 1992-1997
Title: Ren Itoh: Innovator in Hot Melt Ink Technologies
Introduction
Ren Itoh is a notable inventor based in Ibaraki, Japan, recognized for his contributions to the field of ink technology. With a total of three patents to his name, Itoh's work focuses on improving ink composition for inkjet printers, particularly through the use of hot melt technology.
Latest Patents
Ren Itoh's latest patents include innovative formulations that enhance the performance of ink for inkjet applications. One of his significant inventions is a hot melt type ink composition that maintains a low volume change rate during its phase transition from a molten state to a solid form, ensuring clear color images on overhead projector sheets. This specific ink composition features a volume change rate of less than 10%, ideally between 4% and 8%, and a phase change temperature range of 60°C up to the jetting temperature.
Another of Itoh's noteworthy inventions is a hot-melt ink composition tailored for inkjet printers. This composition consists of 10 to 65% by weight of a polyamide resin, 5 to 60% by weight of a fatty acid amide, 5 to 40% by weight of a glyceride, and up to 5% by weight of a colorant. The resulting ink is celebrated for its transparency, capable of producing highly transparent images on OHP sheets, thereby enhancing the visual quality of printed materials.
Career Highlights
Throughout his career, Ren Itoh has been affiliated with reputable companies such as Hitachi Koki Co., Ltd. and Hitachi, Ltd. His roles in these organizations have enabled him to harness the resources and collaborative environment necessary to drive his innovations in ink technology forward.
Collaborations
Itoh has collaborated with talented professionals in the field, including Akemi Sagawa and Masahiko Sakai. These partnerships have allowed for the exchange of ideas and expertise, further enriching the development of his patented inventions.
Conclusion
Ren Itoh exemplifies the spirit of innovation in the realm of ink technology. His contributions through his patented hot melt ink compositions are significant advancements that address both performance and quality in inkjet printing. As he continues to work within the industry, the impact of his inventions is sure to resonate throughout the field of printing technology.
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.