Location History:
- Sendai, JP (1992 - 1994)
- Kakogawa, JP (1998 - 2001)
- Miyagi, JP (2002 - 2013)
Company Filing History:
12 out of 28,577 
1 out of 40 
Years Active: 1992-2013
Title: The Innovative Achievements of Mitsugu Irinoda
Introduction
Mitsugu Irinoda is a distinguished inventor based in Miyagi, Japan, recognized for his significant contributions to the field of optical technology. With a remarkable portfolio of 12 patents to his name, Irinoda's work primarily focuses on surface emitting laser elements and electrostatic actuators, showcasing his expertise in advanced electronic and optical systems.
Latest Patents
Among Mitsugu Irinoda's latest patents are several groundbreaking inventions that highlight his innovative spirit. One of his notable patents is for a surface emitting laser element, which features a unique mesa structure. This invention includes a light emission part composed of a lower reflector, a resonator structure containing an active layer, and an upper reflector—all meticulously laminated on a substrate. The design incorporates a dielectric layer with a tapered surface that improves light emission efficiency.
Additionally, he has developed a series of technologies for an optical scanning unit and an image forming apparatus, further demonstrating his versatility in optical applications. Another significant patent describes a liquid discharge head utilizing an electrostatic actuator, manufactured through semiconductor processes. This actuator is designed to be highly reliable with minimal variations in performance, essential for applications like inkjet recording and liquid jet apparatuses.
Career Highlights
Mitsugu Irinoda has had a fruitful career, with important roles at prominent companies such as Ricoh Company, Ltd. and Ricoh Research Institute of General Electronics Co., Ltd. His tenure in these organizations allowed him to hone his skills and push the boundaries of technology in his field.
Collaborations
Throughout his career, Irinoda has collaborated with talented individuals, including colleagues Takahiko Kuroda and Makoto Tanaka. These collaborations have played a vital role in the refinement and success of his many inventions, showcasing the power of teamwork in the innovation process.
Conclusion
Mitsugu Irinoda stands out as a prominent figure in the realm of invention, with a solid track record of patents that reflect his expertise and innovative thinking. His contributions to surface emitting laser technology and electrostatic actuators not only highlight his technical prowess but also set the stage for future advancements in optical and electronic systems. As technology continues to evolve, Irinoda’s patents will undoubtedly leave a lasting impact on the industry.