Company Filing History:

10 out of 28,544

Ricoh Company, Ltd.

patents

6 out of 10,239

Sumitomo Electric Industries, Limited

Ricoh Optical Industries Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1985-2015

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21 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8964809 - Semiconductor optical integrated device (2015-02-24),

2. 8637329 - Method for producing semiconductor optical integrated device (2014-01-28),

3. 8618638 - Semiconductor optical modulator and method for manufacturing the same (2013-12-31),

4. 8563342 - Method of making semiconductor optical integrated device by alternately arranging spacers with integrated device arrays (2013-10-22),

5. 8124543 - Method for manufacturing semiconductor laser diode (2012-02-28),

6. 7835638 - Image recording apparatus, image recording method, and computer-readable recording medium (2010-11-16),

7. 7499640 - Image-recording apparatus (2009-03-03),

8. 7405421 - Optical integrated device (2008-07-29),

9. 7307368 - DC motor (2007-12-11),

10. 6628893 - DC motor rotation control apparatus (2003-09-30),

11. 6617816 - DC motor rotation detecting apparatus and DC motor rotation control apparatus (2003-09-09),

12. 6570350 - DC motor rotation detecting apparatus and DC motor rotation control apparatus (2003-05-27),

13. 5307110 - Pulse-controlled camera, method for setting control reference position (1994-04-26),

14. 5148212 - Flash control based on calculated required flash energy (1992-09-15),

15. 5041311 - Chemical vapor deposition method using a plasma self-cleaning (1991-08-20),

Title: Kenji Koyama - Pioneering Inventor from Yokohama

Introduction: Kenji Koyama is a renowned inventor hailing from Yokohama, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Kenji Koyama holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous dedication to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Kenji Koyama has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological breakthroughs.

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

Conclusion: Kenji Koyama's relentless pursuit of innovation and his passion for creating technology that positively impacts society solidify his position as a trailblazing inventor in Yokohama and beyond.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.