Location History:
- Yokohama, JP (1989)
- Hitachi, JP (1988 - 2002)
Company Filing History:
9 out of 42,485 
4 out of 1,267 Years Active: 1988-2002
Title: Shigetaka Fujiwara: Innovator in Printing Technology
Introduction
Shigetaka Fujiwara, an accomplished inventor from Hitachi, Japan, has made significant contributions to the field of printing technology. With an impressive portfolio of 9 patents, his work exemplifies innovation and creativity in the art of inkjet printing.
Latest Patents
Fujiwara's latest innovations include an advanced inkjet printer and a sophisticated printer device. The inkjet printer is notable for its small size and capability of producing high-quality images. It employs a unique method where the ink, containing a colorant dispersed in a solvent, is ejected at a downward angle relative to a horizontal level. This design allows the ink to adhere effectively to the recording medium, which is conveyed while maintaining a constant distance from the ink ejecting electrodes. This configuration stabilizes the electric field between the electrodes and the recording medium, ensuring consistent ink ejection.
Additionally, his patented printer device integrates multiple discharge electrodes within a slit that supplies ink containing charged pigment particles. This device features opposing electrodes and a pulse electric field applicator, which generates a pulse electric field to enhance performance. Auxiliary electrodes are strategically placed on either side of the discharge electrodes, applying varying potentials to mitigate electric interactions, thereby optimizing the printing process.
Career Highlights
Shigetaka Fujiwara has worked with prominent companies in the technology sector, including Hitachi, Ltd. and Hitachi Koki Co., Ltd. His experience within these organizations has played a crucial role in the development of his innovative printing solutions.
Collaborations
Throughout his career, Fujiwara has collaborated with esteemed colleagues such as Takao Kumasaka and Teruaki Mitsuya. These partnerships have been instrumental in refining his inventions and advancing the field of printing technology.
Conclusion
Shigetaka Fujiwara's contributions to the realm of inkjet printing and device technology are remarkable. His inventive spirit and dedication to innovation have resulted in patents that not only push the boundaries of printing technology but also lay a foundation for future advancements in the industry.
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.