Heinz Wolleb

This inventor holds 55 USPTO granted patents and 6 published patent applications and 18 EPO patents, primarily in Organic Electronics (CPC class H01L). Top assignees: Ciba Specialty Chemicals Corporation, Udc Ireland Limited, Ciba-Geigy Corporation. Active years: 1991-2026.

USPTO Granted Patents = 55 (Patent Applications = 6)

% Patents Active = 81.8

EPO Patents = 18 (Patent Applications = 26)

Average Co-Inventor Count = 3.7

ph-index = 9

Forward Citations = 232(Granted Patents)

Forward Citations (Not Self Cited) = 208(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Ependes, CH (1991)
Chesalles, CH (1995)
Marly, CH (1992 - 2000)
Fehren, CH (2000 - 2023)

Company Filing History:

17 out of 1,524

Ciba Specialty Chemicals Corporation

Ciba-Geigy Corporation

Idemitsu Kosan Company, Limited

patents

6. 3 out of 85

Idemitsu Kosan., Ltd.

patents

Years Active: 1991-2026

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Areas of Expertise:

Organic Light Emitting Diodes

Electroluminescent Materials

Dibenzofurans

Metal Complexes

Imidazoles

Benzimidazole Derivatives

Polymethine Dyes

Phthalocyanines

Aza-Dibenzofurans

Electronic Applications

Optical Recording Media

55 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12733399 - Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device (2026-09-08),

2. 12701914 - Organic electroluminescence device comprising an azine compound and a rare earth metal, rare earth metal compound, and/or rare earth metal complex and an electronic equipment comprising said organic electroluminescence device (2026-08-04),

3. 12545679 - Compound, material for an organic electroluminescence device and an organic electroluminescence device comprising the compound (2026-02-10),

4. 12538704 - 4H-imidazo[1,2-a]imidazoles for electronic applications (2026-01-27),

5. 11839140 - Metal complexes comprising diazabenzmidazolocarbene ligands and the use thereof in OLEDS (2023-12-05),

6. 11744152 - Benzimidazo[1,2-a]benzimidazole derivatives for electronic applications (2023-08-29),

7. 11691983 - Specifically substituted benzofuro- and benzothienoquinolines for organic light emitting diodes (2023-07-04),

8. 11450812 - 4H-imidazo[1,2-a]imidazoles for electronic applications (2022-09-20),

9. 11444254 - Metal complexes comprising diazabenzmidazolocarbene ligands and the use thereof in OLEDs (2022-09-13),

10. 11279709 - Specifically substituted aza-dibenzofurans and aza-dibenzothiophenes for organic electronic devices (2022-03-22),

11. 10950798 - Organic electronic devices comprising a layer of a pyridine compound and a 8-hydroxypquinolinolato earth alkaline metal, or alkali metal complex (2021-03-16),

12. 10916716 - Metal complexes comprising diazabenzmidazolocarbene ligands and the use thereof in OLEDS (2021-02-09),

13. 10862051 - Benzimidazo[1,2-a]benzimidazole derivatives for electronic applications (2020-12-08),

14. 10689385 - Benzimidazolo[1,2-A]benzimidazole carrying aryl- or arylnitril groups for organic light emitting diodes (2020-06-23),

15. 10431750 - 4H-imidazo[1,2-a]imidazoles for electronic applications (2019-10-01),

Title: Heinz Wolleb: Innovator in Metal-Complex Technology

Introduction

Heinz Wolleb, a distinguished inventor based in Fehren, Switzerland, has significantly contributed to the field of organic electronics. With an impressive tally of 51 patents, Wolleb's innovative work primarily revolves around metal complexes and their applications in organic light-emitting diodes (OLEDs).

Latest Patents

Among his latest patents, Wolleb has developed metal complexes comprising diazabenzimidazolocarbene ligands. This invention focuses on the utilization of metal-carbene complexes featuring iridium and platinum as central atoms. The application extends to organic light diodes, incorporating these complexes into light-emitting layers, thereby enhancing the performance of various illuminating elements and visual display units. Furthermore, he has patented benzimidazo[1,2-a]benzimidazole derivatives aimed at improving the efficiency and stability of electroluminescent devices. These compounds are designed to serve as host materials for phosphorescent emitters, thus enhancing the spectral characteristics of electronic devices.

Career Highlights

Throughout his career, Wolleb has honed his expertise while working with notable companies such as Ciba Specialty Chemicals Corporation and UDC Ireland Limited. His work has been pivotal in advancing the technologies behind electronic devices, particularly in the area of light-emitting solutions.

Collaborations

Heinz Wolleb has collaborated with esteemed colleagues, including Annemarie Wolleb and Soichi Watanabe. These partnerships have undoubtedly enriched his research and innovation processes, leading to groundbreaking developments in the field of organic electronics.

Conclusion

Heinz Wolleb's contributions to innovations in metal complexes and electronic applications demonstrate a profound impact on the industry. His extensive patent portfolio underscores the value of his research and development efforts, paving the way for future advancements in OLED technologies and beyond.