Takashi Iijima

This inventor holds 17 USPTO granted patents, primarily in Electrochemical Devices. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1979-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Iijima. Retrieved from https://idiyas.com/inventor/takashi-iijima-y6ber87p

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

Calculating rank

USPTO Granted Patents = 17

% Patents Active = 94.1

Average Co-Inventor Count = 3.2

ph-index = 11

Forward Citations = 3,158(Granted Patents)

Location History:

Kirakata, JP (1982)
Hirakata, JP (1979 - 1992)
Osaka, JP (1993)
Ina, JP (2004)

Company Filing History:

17 out of 27,375

Matsushita Electric Industrial Co., Ltd.

patents

Years Active: 1979-2004

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Areas of Expertise:

Cell Electrode Plate

Biosensor

Solid State Bio-Sensor

Electrochemical Apparatus

Organic Electrolyte Cell

Enzyme Electrode

Coenzyme Immobilized Electrode

Active Material

Rechargeable Battery

Electrochemical Measuring

Enzyme Immobilization

Negative Electrode

17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6811577 - Cell electrode plate, method for manufacturing it, and non-aqueous electrolyte secondary cell using them (2004-11-02),

2. 5185256 - Method for making a biosensor (1993-02-09),

3. 5171689 - Solid state bio-sensor (1992-12-15),

4. 5120420 - Biosensor and a process for preparation thereof (1992-06-09),

5. 4851309 - Rechargeable electrochemical apparatus and negative electrode thereof (1989-07-25),

6. 4683182 - Rechargeable electrochemical apparatus (1987-07-28),

7. 4658498 - Process for producing rechargeable electrochemical device (1987-04-21),

8. 4608324 - Organic electrolyte cell (1986-08-26),

9. 4434229 - Enzyme immobilization with an immobilizing reagent in vapor phase (1984-02-28),

10. 4431507 - Enzyme electrode (1984-02-14),

11. 4392933 - Electrochemical measuring apparatus comprising enzyme electrode (1983-07-12),

12. 4376689 - Coenzyme immobilized electrode (1983-03-15),

13. 4336315 - Organic electrolyte cell with manganese dioxide cathode and a light (1982-06-22),

14. 4321123 - Coenzyme immobilized electrode (1982-03-23),

15. 4271242 - Active material for positive electrode of battery (1981-06-02),

Title: Takashi Iijima: Innovator in Battery and Biosensor Technologies

Introduction

Takashi Iijima is a prominent inventor based in Hirakata, Japan. He has made significant contributions to the fields of battery technology and biosensors, holding a total of 17 patents. His innovative work has paved the way for advancements in energy storage and biological measurement.

Latest Patents

Iijima's latest patents include a cell electrode plate and a method for manufacturing it, as well as a non-aqueous electrolyte secondary cell utilizing these components. The method for manufacturing a battery electrode plate involves mixing a solvent with a polyolefin resin, preparing a gel-like solution by heating the mixture, forming an insulation layer by coating the gel-like solution on the electrode plate, and finally heating the plate to complete the process. Additionally, he has developed a biosensor that features an insulative base and an electrode system primarily made of carbon. This biosensor allows for the rapid and accurate electrochemical measurement of specific components in biological liquid samples without the need for complex procedures or expensive materials.

Career Highlights

Iijima is currently associated with Matsushita Electric Industrial Co., Ltd., where he continues to innovate and develop new technologies. His work has been instrumental in enhancing the efficiency and functionality of various electronic devices and systems.

Collaborations

Throughout his career, Iijima has collaborated with notable colleagues, including Shiro Nankai and Yoshinori Toyoguchi. These partnerships have contributed to the successful development of his inventions and have fostered a collaborative environment for innovation.

Conclusion

Takashi Iijima's contributions to battery technology and biosensors exemplify his commitment to innovation. His patents reflect a deep understanding of materials and processes that enhance the functionality of electronic devices. His work continues to influence the fields of energy storage and biological measurement, making a lasting impact on technology.

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]