Inventor
OTAGAWA TAKAAKI
US15 patents
⚠️ This page may combine multiple inventors who share the name “OTAGAWA TAKAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
STANFORD RES INST INT
7 patentsUS4900405AFeb 13, 1990
Surface type microelectronic gas and vapor sensor
STANFORD RES INST INT220 citations99
US4874500AOct 17, 1989
Microelectrochemical sensor and sensor array
STANFORD RES INST INT658 citations99
US4851303AJul 25, 1989
Solid compositions for fuel cells, sensors and catalysts
STANFORD RES INST INT68 citations96
US4812221AMar 14, 1989
Fast response time microsensors for gaseous and vaporous species
STANFORD RES INST INT112 citations96
US4765864AAug 23, 1988
Etching method for producing an electrochemical cell in a crystalline substrate
STANFORD RES INST INT107 citations96
US5134042AJul 28, 1992
Solid compositions for fuel cells, sensors and catalysts
STANFORD RES INST INT30 citations92
US4948680AAug 14, 1990
Solid compositions for fuel cell electrolytes
STANFORD RES INST INT39 citations92
OSAKA GAS CO LTD
6 patentsUS5294504AMar 15, 1994
Three-dimensional microstructure as a substrate for a battery electrode
OSAKA GAS CO LTD147 citations98
US5002700AMar 26, 1991
Permanently doped polyaniline and method thereof
OSAKA GAS CO LTD116 citations97
US5187034AFeb 16, 1993
Permanently doped polyaniline and method thereof
OSAKA GAS CO LTD50 citations96
US4973391ANov 27, 1990
Composite polymers of polyaniline with metal phthalocyanine and polyaniline with organic sulfonic acid and nafion
OSAKA GAS CO LTD64 citations96
US5403680AApr 4, 1995
Photolithographic and electron beam lithographic fabrication of micron and submicron three-dimensional arrays of electronically conductive polymers
OSAKA GAS CO LTD97 citations93
US5151224ASep 29, 1992
Tetrasulfonated metal phthalocyanine doped electrically conducting electrochromic poly(dithiophene) polymers
OSAKA GAS CO LTD19 citations70