Osaka, Japan

Masahiro Hashizume


Average Co-Inventor Count = 3.3

ph-index = 9

Forward Citations = 178(Granted Patents)


Location History:

  • Yao, JP (1987 - 1995)
  • Osaka, JP (1987 - 2010)

Company Filing History:


Years Active: 1987-2010

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19 patents (USPTO):Explore Patents

Title: Innovator Masahiro Hashizume: Pioneer in Developing Devices and Silencing Technologies

Introduction: Masahiro Hashizume, based in Osaka, Japan, has made significant contributions to the field of technology with a remarkable portfolio of 19 patents. His innovative spirit and dedication to enhancing device functionality and user experience are evident in his latest inventions.

Latest Patents: Among Hashizume's latest patents are his developments in a device aimed at preventing damage by toner and an image forming apparatus. This developing device features a developing roller designed to supply toner for the seamless development of an electrostatic latent image. Notably, it includes a seal member that effectively prevents toner leakage from the end portions of the developing roller. The roller's unique structure features a sheet member that covers the end portions, with a smooth surface that has been engineered for enhanced performance.

Additionally, Hashizume has patented a silencing device that is strategically placed outside of a fan to reduce noise when discharging air from the device. This innovative silencing apparatus incorporates a reflection plate positioned normal to the fan's rotation axis and a duct designed to channel air to the outside. The reflection plate enhances the device's efficiency while ensuring that the sound produced by the fan is minimized.

Career Highlights: Masahiro Hashizume has worked for renowned companies, including Mita Industrial Co., Ltd. and Kyocera Mita Corporation. His role in these corporations has allowed him to contribute significantly to product development and innovation.

Collaborations: Throughout his career, Hashizume has collaborated with talented individuals, including esteemed coworkers such as Hiroshi Ishida and Masanobu Maeshima. These collaborations have undoubtedly played a significant role in the advancement of his projects and the patents he has secured.

Conclusion: Masahiro Hashizume's dedication to innovation and his impressive portfolio of patents showcase his commitment to enhancing technology in practical applications. His latest endeavors in developing devices and silencing technologies continue to impact the industry positively, demonstrating the importance of creativity and collaboration in fostering advancements in engineering and technology.

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