Hachioji, Japan

Masahiko Itaya

This inventor holds 51 USPTO granted patents, primarily in Image Formation Technology (CPC class 1186). Top assignees: Konishiroku Photo Industry Co., Ltd., Konica Corporation, Ricoh Company, Ltd.. Active years: 1984-2006.


% Patents Active = 94.1

Average Co-Inventor Count = 3.2

ph-index = 15

Forward Citations = 584(Granted Patents)

Forward Citations (Not Self Cited) = 553(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Tachikawa, JP (1987)
  • Hachioj, JP (1990)
  • Hachioji, JP (1984 - 1994)
  • Tanaka, JP (2001)
  • Akishima, JP (1989 - 2003)
  • Tokyo, JP (1985 - 2006)

Company Filing History:


Years Active: 1984-2006

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Areas of Expertise:
Liquid Developer
Image Forming Apparatus
Electrostatic Printing
Color Image Formation
Developing Device
Electrostatic Recording
Toner Density Control
Ghostless Imaging
Image Development Method
Magnetic Roller
Developer Layer Formation
Clamshell Type Apparatus
51 patents (USPTO):Explore Patents

Title: **Masahiko Itaya: A Pioneer in Liquid Development Technologies**

Introduction

Masahiko Itaya, a distinguished inventor hailing from Hachioji, Japan, has made significant contributions to the field of imaging technologies. With an impressive portfolio of 51 patents, Itaya's innovations notably address key challenges in developing devices and processes that enhance image quality and efficiency.

Latest Patents

One of Itaya's latest patents revolves around a liquid developer designed for image forming apparatuses. This innovative liquid developer aims to mitigate several issues associated with uneven development density, which often arises from the inconsistent distribution of colored particles. By utilizing a formulation that includes a silicone group of methacryloxy-modified silicone, Itaya prevents the agglutination of toner particles while ensuring their desired charge amount. Additionally, another recent patent details a developing device that features a float type liquid level sensor. This device allows accurate measurement of liquid levels in a storing section, optimizing the performance of the developing liquid used in image formation.

Career Highlights

Masahiko Itaya’s career spans several prominent companies, including Konishiroku Photo Industry Co., Ltd. and Konica Corporation. His work has contributed significantly to the advancements in imaging technology, making processes smoother and more efficient for both manufacturers and end-users alike.

Collaborations

Throughout his career, Itaya has collaborated with talented individuals such as Satoshi Haneda and Tsutomu Sasaki. These collaborations have spurred numerous innovations and have paved the way for advances in liquid development technologies.

Conclusion

Masahiko Itaya stands out as a leading innovator in the realm of imaging technologies. Through his extensive patent portfolio and collaborative efforts with esteemed colleagues, he continues to influence the industry with groundbreaking inventions that enhance image development and processing.

Profile summary based on public USPTO records.
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