Tsutomu Koino has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
Abstract: A lamp includes a glass bulb 2 with a concave portion 1, a base 7 attached so as to cover at least part of the concave portion, a lead 11 for supplying electrical power with an end section located in the concave portion 1, and lead-free solder 17. The lead free solder 17 is composed mainly of Sn, and further contains, at least, between 5% and 40% inclusive of Sb and between 0% and 10% inclusive of Cu by mass, and has a solidus temperature of at least 235° C.
Type:
Grant
Filed:
September 9, 2004
Date of Patent:
May 1, 2007
Assignee:
Matsushita Electric Industrial Co., Ltd.
Inventors:
Takeshi Meguro, Tsutomu Koino, Naoki Kohyama
Abstract: A lamp includes a glass bulb 2 with a concave portion 1, a base 7 attached so as to cover at least part of the concave portion, a lead 11 for supplying electrical power with an end section located in the concave portion 1, and lead-free solder 17. The lead free solder 17 is composed mainly of Sn, and further contains, at least, between 5% and 40% inclusive of Sb and between 0% and 10% inclusive of Cu by mass, and has a solidus temperature of at least 235° C.
Type:
Application
Filed:
September 9, 2004
Publication date:
March 23, 2006
Applicant:
Matsushita Electric Industrial Co., Ltd.
Inventors:
Takeshi Meguro, Tsutomu Koino, Naoki Kohyama
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