Seiji Yamahira

PA Panasonic: 5 patents #245 of 4,214Top 6%

Overall (2011): #14,624 of 364,097Top 5%

Patents 2011

Issued Patents 2011

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
8072258	Booster circuit	—	2011-12-06
7969231	Internal voltage generating circuit	—	2011-06-28
7932770	Charge pump circuit	Yasuhiro Tomita	2011-04-26
7924086	Boosting circuit	—	2011-04-12
7920018	Booster circuit	—	2011-04-05