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For the Inventor, By the Inventor

Miyagi, Japan

Morimasa Kaminishi

This inventor holds 23 USPTO granted patents and 3 published patent applications and 2 EPO patents, primarily in Semiconductor Lasers. Top assignees: Ricoh Company, Ltd., Ricoh Elemex Corporation, Ricoh Seiki Company, Ltd.. Active years: 1998-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Morimasa Kaminishi. Retrieved from https://idiyas.com/inventor/morimasa-kaminishi

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

Calculating rank
USPTO Granted Patents = 23 

% Patents Active = 56.5

 

Average Co-Inventor Count = 4.0

ph-index = 10

Forward Citations = 364(Granted Patents)


Location History:

  • Shiroishi, JP (1998)
  • Miyagi, JP (1999 - 2022)

Company Filing History:

goldMedal22 out of 28,957 
 
Ricoh Company, Ltd.
 patents
silverMedal3 out of 34 
 
Ricoh Elemex Corporation
 patents
bronzeMedal1 out of 20 
 
Ricoh Seiki Company, Ltd.
 patents
4. 1 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 1998-2026

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Areas of Expertise:
Light Emitting Element
Surface Emission Laser
Semiconductor Device
Optical Module
VCSEL Technology
Biological Information Acquisition
Thin-Film Sensor
Optical Telecommunication
Flow Sensor
Calibration Method
Temperature-Sensitive Resistor
23 patents (USPTO):Explore Patents
1. 12562549 - Light emitting element, light source device, display device, head-mounted display, and biological information acquisition apparatus (2026-02-24),
2. 11245249 - Reflector, surface emitting laser, method for manufacturing reflector, and method for manufacturing surface emitting laser (2022-02-08),
3. 8293555 - Semiconductor light-emitting device, surface-emission laser diode, and production apparatus thereof, production method, optical module and optical telecommunication system (2012-10-23),
4. 7991033 - Vertical cavity surface emitting laser (VCSEL), VCSEL array device, optical scanning apparatus, and image forming apparatus (2011-08-02),
5. 7968362 - Semiconductor light-emitting device, surface-emission laser diode, and production apparatus thereof, production method, optical module and optical telecommunication system (2011-06-28),
6. 7940827 - Vertical-cavity, surface-emission type laser diode and fabrication process thereof (2011-05-10),
7. 7872270 - Semiconductor light emitter (2011-01-18),
8. 7714338 - Semiconductor light emitter (2010-05-11),
9. 7519095 - Vertical-cavity, surface-emission type laser diode and fabrication process thereof (2009-04-14),
10. 7453096 - Method of fabricating a semiconductor light-emitting device (2008-11-18),
11. 7260137 - Vertical-cavity surface-emission type laser diode and fabrication process thereof (2007-08-21),
12. 7235816 - Semiconductor light emitter (2007-06-26),
13. 7180100 - Semiconductor light-emitting device, surface-emission laser diode, and production apparatus thereof, production method, optical module and optical telecommunication system (2007-02-20),
14. 7067846 - Semiconductor light-emitting device, surface-emission laser diode, and production apparatus thereof, production method, optical module and optical telecommunication system (2006-06-27),
15. 7022539 - Vertical-cavity, surface-emission type laser diode and fabrication process thereof (2006-04-04),

Title: Morimasa Kaminishi: Innovator in Semiconductor Technology

Introduction

Morimasa Kaminishi, based in Miyagi, Japan, is a prolific inventor with an impressive portfolio of 22 patents. His work primarily focuses on advancements in semiconductor technology, particularly involving lasers and reflectors.

Latest Patents

Kaminishi's latest patents showcase his expertise and innovative approach. Notable inventions include a reflector that incorporates a low refractive index layer and a high refractive index layer, with a structure where AlN and GaN layers are alternately laminated. Additionally, he developed a method for manufacturing a surface-emitting laser, designed to function optimally at room temperature. His innovations also encompass a semiconductor light-emitting device featuring a semiconductor layer that carefully manages the presence of aluminum and oxygen, ensuring effective continuous laser oscillation.

Career Highlights

Throughout his career, Morimasa Kaminishi has contributed to leading companies in the industry, including Ricoh Company, Ltd. and Ricoh Elemex Corporation. His tenure at these organizations highlights his capabilities in driving technological advancements and fostering innovation within the semiconductor field.

Collaborations

Kaminishi has also collaborated with esteemed coworkers such as Shunichi Sato and Takashi Takahashi. These collaborations have likely played a vital role in the development and refinement of his patented technologies, showcasing the importance of teamwork in advancing scientific research.

Conclusion

In summary, Morimasa Kaminishi stands out as a significant figure in the realm of semiconductor technology. His numerous patents and collaborations reflect his dedication to innovation and his influential role in the advancement of light-emitting devices and laser technologies.

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]
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