Hiromi Otoma

This inventor holds 23 USPTO granted patents, primarily in Surface Emitting Lasers. Top assignees: Fuji Xerox Co., Ltd., Other. Active years: 1995-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiromi Otoma. Retrieved from https://idiyas.com/inventor/hiromi-otoma

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

USPTO Granted Patents = 23

% Patents Active = 82.6

Average Co-Inventor Count = 2.9

ph-index = 8

Forward Citations = 184(Granted Patents)

Location History:

Nakai-machi, JP (2001)
Sagamihara, JP (2003)
Ebina, JP (1996 - 2006)
Kanagawa, JP (1995 - 2011)

Company Filing History:

23 out of 11,665

Fuji Xerox Co., Ltd.

patents

1 out of 834,513

Other

patents

where one patent can have more than one assignee

Years Active: 1995-2011

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Areas of Expertise:

Vertical Cavity Surface Emitting Laser

Semiconductor Laser Array

Optical Transmission Device

Light Emitting Device

Optoelectro Transducer

Image Recording Apparatus

Tunnel Junction

Fabrication Method

Communication System

Driving Method

Insulating Layer

Positional Deviation Correction

23 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8059689 - Vertical cavity surface emitting laser, vertical cavity surface emitting laser device, optical transmission device, and information processing apparatus (2011-11-15),

2. 8023543 - Surface emitting semiconductor laser, surface emitting semiconductor laser device, optical transmission device, and optical information processing device (2011-09-20),

3. 7573929 - Vertical-cavity surface-emitting laser diode device (2009-08-11),

4. 7346089 - Surface-emitting laser diode with tunnel junction and fabrication method thereof (2008-03-18),

5. 7305018 - Surface-emitting semiconductor laser array and optical transmission system using the same (2007-12-04),

6. 7154927 - Surface emitting semiconductor laser and communication system using the same (2006-12-26),

7. 7098059 - Surface emitting semiconductor laser and process for producing the same including forming an insulating layer on the lower reflector (2006-08-29),

8. 7058104 - Surface emitting semiconductor laser and method of fabricating the same (2006-06-06),

9. 6898226 - Surface emitting semiconductor laser and process for producing the same (2005-05-24),

10. 6661823 - Vertical resonator type surface light emitting semiconductor laser device and fabrication method thereof (2003-12-09),

11. 6650683 - Surface emitting semiconductor laser (2003-11-18),

12. 6529541 - Surface emitting semiconductor laser (2003-03-04),

13. 6201825 - Surface emitting semiconductor laser device and process for producing the same (2001-03-13),

14. 5990494 - Optoelectro transducer array, and light-emitting device array and (1999-11-23),

15. 5963242 - Image recording apparatus with an array light source (1999-10-05),

Title: Hiromi Otoma: Pioneer in Vertical Cavity Surface Emitting Laser Technology

Introduction: Hiromi Otoma, based in Kanagawa, Japan, is an accomplished inventor with a remarkable portfolio that includes 23 patents. His innovations primarily focus on vertical cavity surface emitting lasers and their applications in optical transmission and information processing technology.

Latest Patents: Otoma's recent patents showcase his expertise and innovative approach to laser technology. Notable patents include a vertical cavity surface emitting laser that integrates complex components such as a substrate, semiconductor multilayer reflectors, an active region, and an innovative current narrowing layer. This design introduces anisotropic conductive regions that enhance laser performance. Furthermore, his patents also cover surface emitting semiconductor lasers, which feature advanced current confining layers and tailored electrode openings, further pushing the boundaries of optical information processing.

Career Highlights: Over the years, Hiromi Otoma has contributed valuably to several influential companies, including Fuji Xerox Co., Ltd. His work emphasizes the continuous advancement of laser technologies, positioning him as a leading figure in the field of optical engineering.

Collaborations: Throughout his career, Otoma has collaborated with notable professionals such as Nobuaki Ueki and Hideo Nakayama. These collaborative efforts in research and development have significantly impacted the evolution of semiconductor laser technologies.

Conclusion: Hiromi Otoma's contributions to the field of vertical cavity surface emitting lasers and related technologies are noteworthy. With his innovative patents and collaborations, he is helping to shape the future of optical transmission and information processing devices, solidifying his legacy as a pioneering inventor.

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]