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For the Inventor, By the Inventor

Tokyo, Japan

Isamu Nakao

This inventor holds 23 USPTO granted patents and 14 published patent applications and 4 EPO patents, primarily in Imaging Technology. Top assignees: Sony Corporation, Sony Semiconductor Solutions Corporation. Active years: 1993-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Isamu Nakao. Retrieved from https://idiyas.com/inventor/isamu-nakao

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 23 

% Patents Active = 52.2

 

Average Co-Inventor Count = 2.8

ph-index = 6

Forward Citations = 94(Granted Patents)


Location History:

  • Tokyo, JP (1993 - 2021)
  • Kanagawa, JP (2007 - 2022)

Company Filing History:

goldMedal23 out of 58,145 
 
Sony Corporation
 patents
silverMedal1 out of 3,282 
 
Sony Semiconductor Solutions Corporation
 patents
where one patent can have more than one assignee

Years Active: 1993-2025

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Areas of Expertise:
Particle Analysis
Flow Rate Measurement
Imaging Apparatus
Speckle Imaging
Display Technology
Bioassay Device
Thin-Film Semiconductor
Magneto-Optical Medium
Measurement Methods
Information Processing
23 patents (USPTO):Explore Patents
1. 12313639 - Particle confirming method, particle trapping chip, and particle analyzing system (2025-05-27),
2. 11231436 - Flow rate measuring method, flow rate measuring device, and program (2022-01-25),
3. 11025812 - Imaging apparatus, imaging method, and imaging system (2021-06-01),
4. 10681259 - Imaging apparatus, imaging method, and imaging system (2020-06-09),
5. 10574977 - Floating image display unit (2020-02-25),
6. 10176787 - Information processing apparatus and information processing method for occlusion avoidance in tabletop displays (2019-01-08),
7. 10152953 - Information processing apparatus and information processing method (2018-12-11),
8. 10031023 - Speckle imaging device, speckle imaging system, and speckle imaging method (2018-07-24),
9. 10001653 - Spatial image display apparatus (2018-06-19),
10. 9095260 - Measurement apparatus, measurement method, program and information processing apparatus (2015-08-04),
11. 8618506 - Fluorescence life measuring apparatus, fluorescence life measuring method and program (2013-12-31),
12. 7718129 - Bioassay substrate and bioassay device and method (2010-05-18),
13. 7335539 - Method for making thin-film semiconductor device (2008-02-26),
14. 7273774 - Method for making thin-film semiconductor device (2007-09-25),
15. 7008045 - Liquid drop discharger, test chip processor, printer device, method of discharging liquid drop and printing method, method of processing test chip, method of producing organic electroluminescent panel, method of forming conductive pattern, and method of producing field emission display (2006-03-07),

Title: Isamu Nakao - Innovative Mind in Flow Measurement Technology

Introduction

Isamu Nakao is a notable inventor based in Tokyo, Japan, acclaimed for his contributions to the field of flow measurement technology. With 22 patents to his name, Nakao has developed innovative methods and devices that enhance the measurement of flow rates in light scattering fluids, leading to more accurate and efficient data collection.

Latest Patents

Nakao's latest patents include a flow rate measuring method, a flow rate measuring device, and a program designed for the high-speed measurement of the flow rate of light scattering fluids. This patented method generates multiple speckle images by continually imaging the fluid, while carefully defining exposure time to optimize measurement accuracy. By calculating the direction and speed of flow from the time variation of speckle patterns, Nakao's technique significantly simplifies the flow measurement process.

Additionally, his patent for an imaging apparatus, imaging method, and imaging system offers an advanced image analyzing technology that captures images with reduced shading and improved speckle contrast. This innovation includes a light source for coherent light irradiation, a speckle imaging unit, and a processing unit that integrates and analyzes speckle images efficiently.

Career Highlights

Throughout his career, Isamu Nakao has been associated with prominent technology companies, including Sony Corporation and Sony Semiconductor Solutions Corporation. His experience in these organizations has greatly contributed to his advancements in imaging and flow measurement technologies.

Collaborations

Nakao has collaborated with esteemed colleagues such as Masumi Ohta and Noriyuki Kishii. These professional partnerships have enriched his research and development efforts, fostering innovation and expertise within his projects.

Conclusion

Isamu Nakao stands out as a pioneering inventor whose work has refined flow measurement technologies. With a strong portfolio of patents and a history of collaboration with leading experts in the field, Nakao's contributions continue to advance the engineering and scientific communities, particularly in the realms of fluid dynamics and imaging systems.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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