Company Filing History:
5 out of 28,559 
3 out of 11,665 
1 out of 16,082 
Years Active: 1993-2024
Title: Ken Hasegawa: Innovator in Inkjet Printing Technology
Introduction
Ken Hasegawa is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of inkjet printing technology, holding a total of 9 patents. His innovative designs and methods have advanced the capabilities of inkjet devices, making them more efficient and effective.
Latest Patents
One of Hasegawa's latest patents is an inkjet printing device that features a dark ink container and a light ink container. This device includes a dark ink discharging nozzle group and a light ink discharging nozzle group, with the latter positioned upstream of the former in a sub-scanning direction. The patent outlines a specific relationship regarding the pigment content in the inks, ensuring optimal performance. Another notable patent involves an ink formulation that includes water, a colorant, and an organic solvent, where the colorant consists of resin particles dyed with a fluorescent dye. This innovative ink has a pH range of 9 to 11, enhancing its usability in various applications.
Career Highlights
Throughout his career, Ken Hasegawa has worked with leading companies in the printing industry, including Ricoh Company, Ltd. and Fuji Xerox Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in inkjet technology.
Collaborations
Hasegawa has collaborated with notable professionals in his field, including Hideaki Kashiwagi. Their joint efforts have led to the development of innovative solutions that push the boundaries of inkjet printing.
Conclusion
Ken Hasegawa's contributions to inkjet printing technology have established him as a key figure in the industry. His patents and collaborations reflect his commitment to innovation and excellence in this field.