Itami, Japan

Hironobu Chiba


Average Co-Inventor Count = 4.1

ph-index = 5

Forward Citations = 94(Granted Patents)


Location History:

  • Itami, JP (1997 - 2006)
  • Hyogo, JP (2005 - 2019)

Company Filing History:


Years Active: 1997-2019

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11 patents (USPTO):Explore Patents

Title: The Innovations of Hironobu Chiba: Pioneering Optical Inspection Technologies

Introduction: Hironobu Chiba, an accomplished inventor based in Itami, Japan, has made significant contributions to the field of optical inspection technologies. With a total of 11 patents to his name, Chiba has demonstrated a remarkable ability to innovate and develop sophisticated devices that enhance the performance and efficiency of optical systems.

Latest Patents: Among his latest inventions is an optical inspection device that incorporates a mirror for reflecting light rays, a method for producing a lens using this device, and an innovative optical inspection method. This optical inspection device features an LED that irradiates a chart with light, delivering on-axis light rays to a collimator. The design enables a pattern on the chart to be projected onto the center of an image sensor through the optical system being inspected. Additionally, the mirror reflects light rays to project the chart's pattern onto the periphery of the image sensor, showcasing the versatility and effectiveness of this technology.

Another notable patent by Chiba is a common mode noise filter, which comprises various layers of insulating materials and conductors arranged in a way that increases impedance against common mode components. The intricate design includes both magnetic and nonmagnetic materials, allowing it to effectively filter noise, thereby improving the performance of devices employing this filter.

Career Highlights: Hironobu Chiba has been associated with prominent companies, including Matsushita Electric Industrial Co., Ltd. and Panasonic Intellectual Property Management Co., Ltd. His work in these organizations has allowed him to refine his skills in innovation and gain valuable insights into the practical application of his inventions.

Collaborations: Throughout his career, Chiba has worked alongside notable colleagues such as Eiichi Uriu and Osamu Makino. Together, they have contributed to advancing technology in their respective fields, paving the way for further innovations.

Conclusion: Hironobu Chiba's work in optical inspection and noise filtering technologies exemplifies the spirit of innovation. His commitment to enhancing quality and functionality in optical systems has not only led to numerous patents but has also impacted various technological domains. As an inventor, Chiba continues to inspire future generations to explore and innovate within the field.

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