Company Filing History:

39 out of 90,594

Canon Kabushiki Kaisha

patents

1 out of 164,108

International Business Machines Corporation

Years Active: 1984-2017

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41 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 9661993 - Endoscope (2017-05-30),

2. 7809032 - Control method of distributed Bragg reflection semiconductor laser, and image projecting apparatus (2010-10-05),

3. 7512160 - Control method of distributed Bragg reflection semiconductor laser, and image projecting apparatus (2009-03-31),

4. 7411992 - Light wavelength converting apparatus, control method of the same, and image projecting apparatus using the same (2008-08-12),

5. 7313156 - Control method of distributed Bragg reflection semiconductor laser, and image projecting apparatus (2007-12-25),

6. 7039077 - Optical wavelength converting apparatus, and optical wavelength converting method (2006-05-02),

7. 6987785 - Harmonic generator, method for driving harmonic generator, image-displaying apparatus, image-forming apparatus, optical storage apparatus that employs harmonic generator (2006-01-17),

8. 6972737 - Image display apparatus (2005-12-06),

9. 6945652 - Projection display device (2005-09-20),

10. 6932516 - Surface optical device apparatus, method of fabricating the same, and apparatus using the same (2005-08-23),

11. 6919985 - Optical wavelength converting apparatus and optical wavelength converting method (2005-07-19),

12. 6868214 - Optical waveguide, method of fabricating the waveguide, and optical interconnection device using the waveguide (2005-03-15),

13. 6639927 - Surface emitting semiconductor laser, and its fabrication method (2003-10-28),

14. 6424418 - Surface plasmon resonance sensor apparatus using surface emitting laser (2002-07-23),

15. 6201644 - Light deflection device and array thereof (2001-03-13),

Title: Innovations by Hajime Sakata: A Contribution to Medical and Optical Technologies

Introduction

Hajime Sakata, an influential inventor located in Kanagawa, Japan, holds an impressive portfolio of 41 patents. His work primarily focuses on advancements in medical devices and optical technologies, showcasing his dedication to innovation and improving existing technologies.

Latest Patents

Sakata's latest patents include groundbreaking work on an endoscope, which features an intricate design comprising an insertion portion, flexible member, connecting member, and outer sheath. This endoscope incorporates a first filling agent and an annular member that enhances its functionality. Another remarkable invention is his control method for a distributed Bragg reflection (DBR) semiconductor laser. This technology includes a light wavelength converting device that enables the conversion of fundamental-wave light into second harmonic wave light, crucial for precise image projection. His coefficient calculating and wavelength adjusting methods enhance the operational efficiency of the laser by continuously optimizing its performance.

Career Highlights

Throughout his career, Hajime Sakata has contributed significantly to the fields of optics and medical instrumentation while working with prestigious organizations like Canon and IBM. His innovative mindset has positioned him at the forefront of technological advancements in these industries, making a lasting impact through his numerous inventions.

Collaborations

Sakata has worked alongside prominent colleagues, including Yukio Furukawa and Hidetoshi Nojiri. These collaborations have enabled him to refine his inventions and push the boundaries of technology.

Conclusion

Hajime Sakata exemplifies the spirit of innovation with his numerous patents and contributions to medical and optical technologies. His work not only enhances existing technologies but also paves the way for future advancements, solidifying his legacy as a key inventor in his fields.

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