Location History:
- Asaka, JP (1981)
- Tokyo, JP (1986 - 2001)
Company Filing History:
3 out of 21,351 
2 out of 3,132 Years Active: 1981-2001
Title: Hirohumi Matsuo: Innovator in Ink Jet Technology
Introduction
Hirohumi Matsuo is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of ink jet technology, holding a total of 5 patents. His innovative solutions have addressed critical challenges in the printing industry, particularly concerning the performance of ink jet printers.
Latest Patents
One of Matsuo's notable inventions is an advanced ink jet printer designed to resolve the issue of ink discharge when bubbles are present in the ink chamber of the print head. This printer employs a bubble detecting circuit that measures the impedance of the piezoelectric element at specific frequencies. By analyzing the impedance versus frequency characteristics, the printer can determine the presence of bubbles and execute an optimal head recovery operation, ensuring stable and high-quality printed output.
Another significant patent is for a bubble remover for inkjet heads, which effectively eliminates bubbles that can hinder ink performance. This invention features an inkjet head with an ink tank and a reservoir equipped with a nozzle array. By utilizing an ink suction device, the system introduces outside air into the ink reservoir while simultaneously removing ink, thereby achieving a bubble-free state.
Career Highlights
Throughout his career, Matsuo has worked with notable companies, including Mitsubishi Electric Corporation and Asahi Kogaku Kogyo Co., Ltd. His experience in these organizations has allowed him to refine his expertise in ink jet technology and contribute to various advancements in the field.
Collaborations
Matsuo has collaborated with esteemed colleagues such as Hiroshi Fukumoto and Susumu Tokumaru. Their combined efforts have led to innovative developments in ink jet technology, further enhancing the capabilities of printing systems.
Conclusion
Hirohumi Matsuo's contributions to ink jet technology have significantly impacted the printing industry. His inventive solutions continue to pave the way for advancements in high-quality printing, showcasing his dedication to innovation and excellence.