Ken Tachibana

This inventor holds 15 USPTO granted patents and 7 published patent applications, plus 1 CIPO patent and 5 EPO patents. Top assignees: Senju Metal Industry Co., Ltd., Mitsubishi Denki Kabushiki Kaisha. Active years: 2000-2022.

USPTO Granted Patents = 15 (Patent Applications = 7)

% Patents Active = 86.7

CIPO Patents = 1

EPO Patents = 5 (Patent Applications = 2)

Average Co-Inventor Count = 2.6

ph-index = 4

Forward Citations = 57(Granted Patents)

Location History:

Hyogo, JP (2005 - 2007)
Tokyo, JP (2000 - 2019)
Chiba-ken, JP (2019)
Chiba, JP (2020 - 2022)

Company Filing History:

11 out of 338

Senju Metal Industry Co., Ltd.

patents

4 out of 21,351

Mitsubishi Denki Kabushiki Kaisha

patents

Years Active: 2000-2022

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11465244 - Solder alloy, solder ball, chip solder, solder paste and solder joint (2022-10-11),

2. 10773345 - Solder alloy, solder ball, chip solder, solder paste, and solder joint (2020-09-15),

3. 10500680 - Solder alloy, solder ball, and solder joint (2019-12-10),

4. 10434608 - Lead-free solder, lead-free solder ball, solder joint using the lead-free solder and semiconductor circuit having the solder joint (2019-10-08),

5. 10343238 - Lead-free solder alloy (2019-07-09),

6. 10076808 - Lead-free solder alloy (2018-09-18),

7. 9837757 - Lead-free solder alloy and in-vehicle electronic circuit (2017-12-05),

8. 9780055 - Lead-free solder ball (2017-10-03),

9. 9700963 - Lead-free solder ball (2017-07-11),

10. 9527167 - Lead-free solder ball (2016-12-27),

11. 9402321 - Soldering method using a low-temperature solder paste (2016-07-26),

12. 7210452 - Control apparatus of internal combustion engine (2007-05-01),

13. 6957136 - Apparatus for rewriting a memory in a vehicle mounted ECU through communications (2005-10-18),

14. 6945208 - Start control apparatus of internal combustion engine (2005-09-20),

15. 6112716 - Fuel injection control system for internal combustion engine of cylinder (2000-09-05),

Title: Ken Tachibana: Innovator in Solder Alloy Technology

Introduction

Ken Tachibana is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of solder alloy technology, holding a total of 15 patents. His innovative work focuses on enhancing the performance and reliability of solder materials used in various electronic applications.

Latest Patents

Tachibana's latest patents include advancements in solder alloy, solder ball, chip solder, solder paste, and solder joint technologies. One of his notable inventions is a solder alloy that contains 0.005 mass % or more and 0.1 mass % or less of manganese (Mn), along with 0.001 mass % or more and 0.1 mass % or less of germanium (Ge), with the balance being tin (Sn). This innovative composition allows for the distribution of a plurality of Ge oxides on the outermost surface of an oxide film, which includes Sn oxide, Mn oxide, and Ge oxide. This design effectively inhibits discoloration even in high-temperature and high-humidity environments. Additionally, his solder alloy is engineered to suppress discoloration and the growth of oxide films under similar challenging conditions.

Career Highlights

Throughout his career, Ken Tachibana has worked with notable companies such as Senju Metal Industry Co., Ltd. and Mitsubishi Electric Corporation. His expertise in solder technology has positioned him as a key figure in the development of advanced materials for the electronics industry.

Collaborations

Tachibana has collaborated with esteemed colleagues, including Shunsaku Yoshikawa and Yoshie Yamanaka. These partnerships have further enhanced his research and development efforts in solder technology.

Conclusion

Ken Tachibana's innovative contributions to solder alloy technology have significantly impacted the electronics industry. His patents reflect a commitment to improving material performance in challenging environments, ensuring reliability and efficiency in electronic applications.