Shigeru Maruyama

This inventor holds 11 USPTO granted patents and 2 EPO patents. Top assignees: Nec Corporation, Nippon Telegraph and Telephone Corporation, Nec Platforms, Ltd.. Active years: 1988-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeru Maruyama. Retrieved from https://idiyas.com/inventor/shigeru-maruyama-jtqunjt6

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

Calculating rank

USPTO Granted Patents = 11

% Patents Active = 90.9

EPO Patents = 2 (Patent Applications = 2)

Average Co-Inventor Count = 1.4

ph-index = 4

Forward Citations = 92(Granted Patents)

Location History:

Tokyo, JP (1988 - 2006)
Kanagawa, JP (1996 - 2018)

Company Filing History:

Nippon Telegraph and Telephone Corporation

Adv Antest Corporation

patents

5. 1 out of 10

Arai Seisakusho Co., Ltd

patents

6. 1 out of 4,826

Fuji Electric Co., Ltd.

patents

7. 1 out of 65

Maruyama Mfg. Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1988-2018

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10092472 - Nurse call system, interface unit, and nurse call connection method (2018-10-09),

2. 9787833 - Nurse call system, nurse call conversion unit, nurse call connection method, and program (2017-10-10),

3. 7130387 - Communication terminal, communication method and program thereof (2006-10-31),

4. 6596159 - Automatic regeneration valve for water softener (2003-07-22),

5. 6313023 - Method of fabricating deflection aperture array for electron beam exposure apparatus, wet etching method and apparatus for fabricating the aperture array, and electron beam exposure apparatus having the aperture array (2001-11-06),

6. 6232807 - Pulse generating circuit (2001-05-15),

7. 5973520 - Output buffer circuit having a variable output impedance (1999-10-26),

8. 5782730 - Pressure roller (1998-07-21),

9. 5721081 - Photoconductor for electrophotography with antioxidants (1998-02-24),

10. 5570058 - Signal line testing circuit causing no delay in transmission of a normal (1996-10-29),

11. 4739198 - Signal output circuit of a push-pull type (1988-04-19),

Title: Shigeru Maruyama: Innovator in Nurse Call Systems

Introduction

Shigeru Maruyama is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of communication technology, particularly in nurse call systems. With a total of 11 patents to his name, Maruyama's work has greatly enhanced the efficiency and functionality of healthcare communication.

Latest Patents

Maruyama's latest patents include a nurse call system, an interface unit, and a nurse call connection method. The nurse call system allows for communication between multiple slave units and extension terminals without the need for a nurse call adaptor. His innovative interface unit connects to a nurse call controller through several ISDN basic interfaces and to a private branch exchange via an ISDN primary rate interface, facilitating seamless communication. Additionally, his nurse call conversion unit enables communication from cordless handsets to extension terminals, streamlining the process of group representative calls.

Career Highlights

Throughout his career, Shigeru Maruyama has worked with notable companies such as NEC Corporation and Nippon Telegraph and Telephone Corporation. His experience in these organizations has contributed to his expertise in developing advanced communication systems.

Collaborations

Maruyama has collaborated with talented individuals in the field, including Takuya Omi and Kou Nogami. Their combined efforts have led to innovative solutions in healthcare communication technology.

Conclusion

Shigeru Maruyama's contributions to nurse call systems and communication technology have made a lasting impact on the healthcare industry. His innovative patents and collaborations reflect his dedication to improving communication in medical settings.

Profile summary based on public USPTO records.