MK

Masao Kawaguchi

PA Panasonic: 7 patents #3,841 of 21,108Top 20%
TO Toyota: 5 patents #5,641 of 26,838Top 25%
NC Nippondenso Co.: 2 patents #1,150 of 3,479Top 35%
Sharp Kabushiki Kaisha: 2 patents #5,184 of 10,731Top 50%
MC Mitsui Chemicals: 1 patents #1,270 of 2,279Top 60%
PH Pansonic Holdings: 1 patents #1 of 28Top 4%
Overall (All Time): #233,187 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
12034100 Semiconductor light-emitting device 2024-07-09
11322909 Semiconductor laser device Shinichi Takigawa, Nozomi Naka 2022-05-03
10141720 Nitride semiconductor laser element Osamu Imafuji, Shinichiro NOZAKI, Hiroyuki HAGINO 2018-11-27
9214788 Semiconductor light emitting element Hideki Kasugai, Shinichiro NOZAKI 2015-12-15
8472491 Semiconductor laser device 2013-06-25
8422526 Semiconductor laser device and method for manufacturing the same Katsuya Samonji, Hideki Kasugai 2013-04-16
8173264 Resin composition and metal laminate plate Kiyomi Imagawa, Shuji Tahara, Eiji Ohtsubo 2012-05-08
8119429 Method for fabricating nitride semiconductor laser device and nitride semiconductor laser device Satoshi Tamura, Hiroshi Ohno, Norio Ikedo 2012-02-21
8000365 Semiconductor laser device Norio Ikedo, Masaaki Yuri 2011-08-16
6913685 Method of modifying the surface of plastic substrate Tadao Tokushima, Yoshio Hirayama 2005-07-05
6744070 Thin film transistor and liquid crystal display device Yoshinori Shimada, Hiroshi Ishibashi, Yukinobu Nakata, Keiichi Akamatsu 2004-06-01
6461445 Method of finishing glass substrate Yoshio Hirayama, Toshimichi Morizane, Tadao Tokushima 2002-10-08
6448578 Thin-film transistor and liquid crystal display device Yoshinori Shimada, Hiroshi Ishibashi, Yukinobu Nakata, Keiichi Akamatsu 2002-09-10
6048466 Method of cleaning glass substrate for magnetic disk or semiconductor substrate Toshinori Morizane, Tadao Tokushima 2000-04-11
4694809 Method and system for internal combustion engine oxygen sensor heating control with time smoothing Jiro Nakano, Takao Ishibashi, Takao Akatsuka 1987-09-22
4626337 Oxygen sensor Yasumichi Hotta, Takao Akatsuka, Jiro Nakano, Takao Ishibashi 1986-12-02
4611562 Method and system for internal combustion engine oxygen sensor heating control which provide sensor heating limited for reliable operation Jiro Nakano, Takao Ishibashi, Takao Akatsuka 1986-09-16
4569748 Oxygen sensor Michihiro Yamakawa, Takao Akatsuka, Jiro Nakano, Takao Ishibashi 1986-02-11
4563991 Engine air/fuel ratio control method and system selectively providing feedback control or open loop control according to oxygen sensor heating condition Takao Akatsuka, Jiro Nakano, Takao Ishibashi 1986-01-14