logo

For the Inventor, By the Inventor

Takatsuki, Japan

Masayuki Yoneyama

This inventor holds 16 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1990-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Yoneyama. Retrieved from https://idiyas.com/inventor/masayuki-yoneyama

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

USPTO Granted Patents = 16

% Patents Active = 100.0

Average Co-Inventor Count = 3.5

ph-index = 11

Forward Citations = 250(Granted Patents)


Company Filing History:

goldMedal16 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents

Years Active: 1990-2003

Loading Chart...
16 patents (USPTO):Explore Patents
1. 6670993 - Image pickup device and method for controlling a dynamic range of an image sensor (2003-12-30),
2. 6587149 - Video camera with progressive scanning and dynamic range enlarging modes (2003-07-01),
3. 6249314 - Solid-state imaging apparatus having a solid-state imaging device and a signal processing circuit and method for driving the solid-state imaging device (2001-06-19),
4. 6078357 - Image mixing circuit (2000-06-20),
5. 5966174 - Signal processing circuit and method for driving a solid state imaging (1999-10-12),
6. 5677528 - Solid-State imaging apparatus with a coefficient multiplying circuit (1997-10-14),
7. 5614947 - Solid state imaging apparatus (1997-03-25),
8. 5541649 - White balance adjustment apparatus (1996-07-30),
9. 5506618 - Solid-state image pickup device using an all-pixel concurrent read-out (1996-04-09),
10. 5481302 - White balance adjustment apparatus (1996-01-02),
11. 5299003 - Signal processing apparatus for changing the frequency characteristics (1994-03-29),
12. 5227889 - Image slant compensatable video camera (1993-07-13),
13. 5077613 - Video camera with automatic focusing function (1991-12-31),
14. 4991944 - Zoom lens driving apparatus (1991-02-12),
15. 4975726 - Automatic focusing apparatus (1990-12-04),

Title: Masayuki Yoneyama: Innovator in Image Sensor Technology

Introduction

Masayuki Yoneyama is a prominent inventor based in Takatsuki, Japan. He has made significant contributions to the field of image sensor technology, holding a total of 16 patents. His work focuses on enhancing the dynamic range and performance of image pickup devices and video cameras.

Latest Patents

Yoneyama's latest patents include an innovative image pickup device and a method for controlling the dynamic range of an image sensor. This device utilizes a signal mixer to combine image signals of varying exposure levels outputted by an image sensor. A peak level detector identifies the peak level of the mixed signal, while a peak level judge determines if this level falls within a predetermined range. The controller then adjusts the exposure quantities for the image sensor based on the peak level judge's decision. This technology ensures that the image pickup device can effectively reproduce object images with a good dynamic range.

Another notable patent is for a video camera that features progressive scanning and dynamic range enlarging modes. This camera incorporates a progressive scanning CCD and a signal processing unit that converts the CCD output into a video signal suitable for display. It enhances dynamic range by synthesizing signals obtained during different exposure times, thereby improving luminance gradation characteristics. The camera also includes components for separating and synthesizing these signals to produce a cohesive output.

Career Highlights

Masayuki Yoneyama is associated with Matsushita Electric Industrial Co., Ltd., a leading company in the electronics industry. His work has significantly impacted the development of advanced imaging technologies, making him a key figure in this field.

Collaborations

Yoneyama has collaborated with notable coworkers such as Yasutoshi Yamamoto and Ryuichiro Kuga. Their combined expertise has contributed to the successful development of innovative imaging solutions.

Conclusion

Masayuki Yoneyama's contributions to image sensor technology exemplify his dedication to innovation and excellence. His patents reflect a commitment to enhancing the quality and performance of imaging devices, making a lasting impact in the industry.

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]
Loading…