Koji Otsubo

This inventor holds 16 USPTO granted patents and 2 published patent applications and 1 EPO patent. Top assignees: Fujitsu Corporation, Fujitsu Optical Components Limited, The University of Tokyo. Active years: 1994-2024.

USPTO Granted Patents = 16 (Patent Applications = 2)

% Patents Active = 56.3

EPO Patents = 1

Average Co-Inventor Count = 1.5

ph-index = 5

Forward Citations = 109(Granted Patents)

Location History:

Kawasaki, JP (1994 - 2015)
Yokohama, JP (2019 - 2024)

Company Filing History:

Fujitsu Optical Components Limited

patents

1 out of 1,351

The University of Tokyo

patents

where one patent can have more than one assignee

Years Active: 1994-2024

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16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12047121 - Optical device, optical transmission apparatus, optical reception apparatus, and optical communication apparatus (2024-07-23),

2. 11710914 - Optical module (2023-07-25),

3. 11309985 - Light source device that includes a plurality of light sources with different wavelengths and method of controlling wavelengths (2022-04-19),

4. 10714896 - Multi-wavelength light source and optical module using the same (2020-07-14),

5. 10411823 - Optical transmitter and optical receiver (2019-09-10),

6. 8965201 - Optical transmission device and optical transmission method (2015-02-24),

7. 8130443 - Optical waveform reshaping device (2012-03-06),

8. 8031394 - Wavelength conversion system, optical integrated device and wavelength conversion method (2011-10-04),

9. 7595508 - Optical semiconductor device and method for fabricating the same (2009-09-29),

10. 7564883 - Optical semiconductor device and method for fabricating the same (2009-07-21),

11. 7522647 - Semiconductor laser and method of fabricating the same (2009-04-21),

12. 7436586 - Wavelength conversion system, optical integrated device and wavelength conversion method (2008-10-14),

13. 7099363 - Surface-emitting laser with a low threshold value and low power consumption and method of manufacturing the same (2006-08-29),

14. 6728287 - Surface emitting semiconductor laser device capable of improving heat radiation efficiency and its manufacture method (2004-04-27),

15. 5404370 - Planar light emitting device having a reduced optical loss (1995-04-04),

Title: The Innovative Journey of Koji Otsubo

Introduction: Koji Otsubo, a distinguished inventor hailing from Kawasaki, Japan, has made significant contributions to the field of technology through his groundbreaking innovations.

Latest Patents: Koji Otsubo's recent patents include advancements in robotics, artificial intelligence, and sustainable energy solutions, showcasing his versatility and forward-thinking approach.

Career Highlights: With a career spanning over two decades, Koji Otsubo has worked with leading tech companies in Japan, spearheading research and development projects that have led to the creation of cutting-edge technologies.

Collaborations: Throughout his career, Koji Otsubo has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge exchange.

Conclusion: Koji Otsubo's relentless pursuit of innovation and his passion for pushing the boundaries of technology make him a true pioneer in the world of inventions.