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For the Inventor, By the Inventor

Otone-machi, Japan

Yasuji Ogawa

USPTO Granted Patents = 15

Average Co-Inventor Count = 1.1

ph-index = 13

Forward Citations = 986(Granted Patents)


Location History:

  • Saitama-Ken, JP (1996)
  • Saitama, JP (1996)
  • Otone, JP (1997)
  • Otone-machi, JP (1996 - 2002)

Company Filing History:

goldMedal9 out of 21 
 
Kabushikikaisha Wacom
 patents
silverMedal6 out of 1,245 
 
Wacom Co., Ltd.
 patents

Years Active: 1996-2002

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15 patents (USPTO):Explore Patents
1. 6441362 - Stylus for optical digitizer (2002-08-27),
2. 6100538 - Optical digitizer and display means for providing display of indicated (2000-08-08),
3. 5694203 - Distance camera device having light gate for extracting distance (1997-12-02),
4. 5693914 - Digitizer and method of detecting positions (1997-12-02),
5. 5682019 - Position detecting apparatus and position pointing device including (1997-10-28),
6. 5644126 - Manual implement for inputting incremental information by attitude (1997-07-01),
7. 5642164 - Light spot position measuring apparatus having orthogonal cylindrical (1997-06-24),
8. 5640241 - Light spot position measuring method of detecting one-dimensional (1997-06-17),
9. 5608528 - Optical position detecting method using asynchronous modulation of light (1997-03-04),
10. 5572251 - Optical position detecting unit and optical coordinate input unit (1996-11-05),
11. 5565632 - Pressure sensitive stylus pen (1996-10-15),
12. 5561543 - Information input system by attitude detection of manual implement (1996-10-01),
13. 5548392 - Optical position detector having scale pattern spot-illuminated to (1996-08-20),
14. 5502568 - Optical position detecting unit, optical coordinate input unit and (1996-03-26),
15. 5499098 - Optical position detecting unit and optical coordinate input unit (1996-03-12),

Title: Yasuji Ogawa: Innovator in Optical Digitization

Introduction

Yasuji Ogawa is a prominent inventor based in Otone-machi, Japan. He has made significant contributions to the field of optical digitization, holding a total of 15 patents. His work has paved the way for advancements in technology that enhance the interaction between users and digital devices.

Latest Patents

Ogawa's latest patents include innovative designs for optical digitizers. One notable invention is a stylus for optical digitizers, which is designed to determine the position of a pointing object projecting light onto a coordinate plane. This optical digitizer features a detector positioned around the coordinate plane, which captures the light from the pointing object and converts it into an electric signal. A processor then processes this signal to compute the coordinates of the pointing object. Additionally, a collimator is included to limit the detector's view field, ensuring it only receives parallel light components. A shield is also incorporated to block any noise light, enhancing the accuracy of the device.

Career Highlights

Throughout his career, Yasuji Ogawa has worked with notable companies such as Kabushikikaisha Wacom and Wacom Co., Ltd. His experience in these organizations has contributed to his expertise in optical technologies and digitization.

Collaborations

Ogawa has collaborated with talented individuals in the field, including Hideo Yoichi and Yuji Katsurahira. These partnerships have fostered innovation and have led to the development of cutting-edge technologies in optical digitization.

Conclusion

Yasuji Ogawa's contributions to optical digitization through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the way users interact with digital devices, showcasing the importance of innovation in technology.

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