Company Filing History:

19 out of 42,485

Hitachi, Ltd.

patents

1 out of 3,781

Renesas Technology Corp.

patents

2 out of 832,680

Other

patents

Years Active: 1986-2005

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22 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6927439 - Semiconductor memory with strongly adhesive electrode (2005-08-09),

2. 6881597 - Method of manufacturing a semiconductor device to provide a plurality of test element groups (TEGs) in a scribe region (2005-04-19),

3. 6781172 - Semiconductor device with adhesion-improvement capacitor and process for producing the device (2004-08-24),

4. 6756262 - Semiconductor integrated circuit device having spaced-apart electrodes and the method thereof (2004-06-29),

5. 6720603 - CAPACITOR STRUCTURE AND A SEMICONDUCTOR DEVICE WITH A FIRST METAL LAYER, A SECOND METAL SILICIDE LAYER FORMED OVER THE FIRST METAL LAYER AND A SECOND METAL LAYER FORMED OVER THE SECOND METAL SILICIDE LAYER (2004-04-13),

6. 6717202 - HSG semiconductor capacitor with migration inhibition layer (2004-04-06),

7. 6627497 - Semiconductor integrated circuit device and method of manufacturing the same (2003-09-30),

8. 6583463 - Semiconductor integrated circuit device with information storage capacitor having ruthenium dioxide lower electrode and crystallized TA2O5 capacitor insulator (2003-06-24),

9. 6576946 - Semiconductor device comprising capacitor cells, bit lines, word lines, and MOS transistors in a memory cell area over a semiconductor substrate (2003-06-10),

10. 6534375 - METHOD OF FORMING A CAPACITOR IN A SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE USING A METAL SILICON NITRIDE LAYER TO PROTECT AN UNDERLYING METAL SILICIDE LAYER FROM OXIDATION DURING SUBSEQUENT PROCESSING STEPS (2003-03-18),

11. 6524927 - Semiconductor device and method of fabricating the same (2003-02-25),

12. 6451665 - Method of manufacturing a semiconductor integrated circuit (2002-09-17),

13. 6426255 - Process for making a semiconductor integrated circuit device having a dynamic random access memory (2002-07-30),

14. 6423992 - Semiconductor integrated circuit device (2002-07-23),

15. 6326218 - Semiconductor integrated circuit and its manufacturing method (2001-12-04),

Title: Innovations by Yuzuru Ohji in Semiconductor Technology

Introduction

Yuzuru Ohji, an accomplished inventor based in Hinode, Japan, has made significant contributions to the field of semiconductor technology. With a remarkable portfolio consisting of 22 patents, his innovative work focuses on manufacturing methods and design improvements in semiconductor devices.

Latest Patents

Among his recent patents, Ohji has introduced substantial advancements in semiconductor memory through his invention of a semiconductor device equipped with an information storage capacitor. This device features a first capacitor electrode, an oxide film, and a second capacitor electrode. Notably, at least one of these electrodes contains elements such as rhodium, ruthenium, iridium, osmium, or platinum, enhancing the adhesiveness between the capacitor electrodes and the insulating films.

Another notable patent involves a method for manufacturing semiconductor devices that improves yield by measuring various test element groups (TEGs) arranged in a scribe region. This technique includes forming a first electrode pad in a rectangular, isolated pattern, allowing for a significant number of TEGs to be placed efficiently within the scribe area. Moreover, a nanoprobe with a tip radius of curvature of 0.05 μm to 0.8 μm is utilized for precise characteristic evaluation and failure analysis.

Career Highlights

Throughout his career, Yuzuru Ohji has been affiliated with prominent organizations such as Hitachi, Ltd., where he has honed his skills in semiconductor research and development. His expertise has undoubtedly contributed to the advancements in semiconductor technologies we observe today.

Collaborations

In his professional journey, Ohji has collaborated with esteemed colleagues such as Shinpei Iijima and Yasuhiro Sugawara. Their joint efforts have further propelled the boundaries of innovation within the semiconductor sector.

Conclusion

Yuzuru Ohji’s work stands as a testament to the impact of inventive minds in the semiconductor industry. With 22 patents to his name, his contributions continue to influence the field, paving the way for future innovations in semiconductor design and manufacturing.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.