AK

Atsushi Kurokawa

MC Murata Manufacturing Co.: 37 patents #114 of 5,295Top 3%
RT Renesas Technology: 17 patents #86 of 3,337Top 3%
Ricoh Company: 14 patents #1,578 of 9,818Top 20%
HI Hitachi: 5 patents #7,555 of 28,497Top 30%
RE Renesas Electronics: 4 patents #1,016 of 4,529Top 25%
LI Lintec: 1 patents #282 of 514Top 55%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
Overall (All Time): #23,764 of 4,157,543Top 1%
78
Patents All Time

Issued Patents All Time

Showing 51–75 of 78 patents

Patent #TitleCo-InventorsDate
8433211 Developing device, process cartridge, and image forming apparatus Masanori Horike, Tetsuro Hirota, Hideki Kosugi, Masaaki Yamada, Yoshiko Ogawa +1 more 2013-04-30
8374531 Developer bearing member and developing device with outer electrode including separated portions, and inner electrode for creating electric field Yoshinori Nakagawa, Hideki Kosugi, Masaaki Yamada, Yasuyuki Ishii 2013-02-12
8169008 Semiconductor device Masao Yamane, Shinya Osakabe, Eigo Tange, Yasushi Shigeno, Hiroyuki Takazawa 2012-05-01
8072001 Heterojunction bipolar transistor and method for manufacturing the same, and power amplifier using the same Isao Ohbu, Chushiro Kusano, Yasunari Umemoto 2011-12-06
7838914 Semiconductor device Masao Yamane, Shinya Osakabe, Eigo Tange, Yasushi Shigeno, Hiroyuki Takazawa 2010-11-23
7804109 Heterojunction bipolar transistor and method for manufacturing the same, and power amplifier using the same Isao Ohbu, Chushiro Kusano, Yasunari Umemoto 2010-09-28
7723753 Semiconductor device and manufacturing method of the same Kenji Sasaki, Ikuro Akazawa, Yoshinori Imamura, Tatsuhiko Ikeda, Hiroshi Inagawa +2 more 2010-05-25
7511315 Semiconductor device and manufacturing method therefor Satoru Konishi, Tsuneo Endo, Hirokazu Nakajima, Yasunari Umemoto, Satoshi Sasaki +2 more 2009-03-31
7378690 Method for forming patterns on a semiconductor device using a lift off technique Hiroshi Inagawa, Toshiaki Kitahara, Yoshinori Imamura 2008-05-27
7307298 Semiconductor device Masao Yamane, Shinya Osakabe, Eigo Tange, Yasushi Shigeno, Hiroyuki Takazawa 2007-12-11
7256433 Bipolar transistor and a method of manufacturing the same Masao Yamane, Yoshinori Imamura 2007-08-14
7256434 Heterojunction bipolar transistor and method for manufacturing the same, and power amplifier using the same Isao Ohbu, Chushiro Kusano, Yasunari Umemoto 2007-08-14
7214558 Method for forming patterns on a semiconductor device using a lift off technique Hiroshi Inagawa, Toshiaki Kitahara, Yoshinori Imamura 2007-05-08
7192788 Semiconductor device and manufacturing method of the same 2007-03-20
7132320 Method for manufacturing semiconductor device Toshiaki Kitahara, Hiroshi Inagawa, Yoshinori Imamura 2006-11-07
7045877 Semiconductor protection device Yasunari Umemoto, Hideyuki Ono, Tomonori Tanoue, Yasuo Ohsone, Isao Ohbu +2 more 2006-05-16
7029938 Method for forming patterns on a semiconductor device using a lift off technique Hiroshi Inagawa, Toshiaki Kitahara, Yoshinori Imamura 2006-04-18
6989301 Method for manufacturing semiconductor device Toshiaki Kitahara, Hiroshi Inagawa, Yoshinori Imamura 2006-01-24
6943387 Semiconductor device, manufacturing thereof and power amplifier module Isao Ohbu, Tomonori Tanoue, Chushiro Kusano, Yasunari Umemoto, Kazuhiro Mochizuki +2 more 2005-09-13
6867079 Method for manufacturing semiconductor device Toshiaki Kitahara, Hiroshi Inagawa, Yoshinori Imamura 2005-03-15
6861905 Power amplifier system and mobile communication terminal device Masao Yamane 2005-03-01
6743691 Semiconductor device and method for fabricating the same Masao Yamane, Kazuhiro Mochizuki 2004-06-01
6708022 Power amplification system and mobile radio communication terminal Masao Yamane 2004-03-16
6678507 Power amplifier system and mobile communication terminal device Masao Yamane 2004-01-13
6649458 Method for manufacturing semiconductor device with hetero junction bipolar transistor Toshiaki Kitahara, Hiroshi Inagawa, Yoshinori Imamura 2003-11-18