MY

Masuyoshi Yamada

HI Hitachi: 22 patents #1,535 of 28,497Top 6%
HH Hitachi High-Technologies: 9 patents #300 of 1,917Top 20%
Overall (All Time): #117,945 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 25 most recent of 31 patents

Patent #TitleCo-InventorsDate
11371950 Moisture detection element, exhaled gas detector, exhalation test system, and manufacturing method of exhalation detection element Hironori Wakana 2022-06-28
11315359 Biological-information detecting device and biological-information detecting method Nobuhiro Fukuda, Hironori Wakana 2022-04-26
11226329 Exhaled gas detector and exhaled gas detection method Hironori Wakana 2022-01-18
10942169 Moisture detection element, exhaled gas detection device, exhaled air inspection system, and dew condensation removal method Hironori Wakana 2021-03-09
10883949 Moisture detection element, gas detection device, and breath inspection system Hironori Wakana, Minoru Sakairi 2021-01-05
10859524 Humidity sensing element and hygrometer Hironori Wakana 2020-12-08
10436807 Authentication system and authentication method for detecting breath alcohol Hironori Wakana 2019-10-08
D809409 Breath alcohol content analyzer Atsushi Ishibashi, Koichi Umezawa, Hironori Wakana, Minoru Sakairi 2018-02-06
9543135 Mass spectrometer and mass analyzing method for efficiently ionizing a sample with less carry-over Shun KUMANO, Masuyuki Sugiyama, Yuichiro Hashimoto, Hideki Hasegawa, Kazushige Nishimura +1 more 2017-01-10
9184037 Mass spectrometer and mass analyzing method Shun KUMANO, Masuyuki Sugiyama, Yuichiro Hashimoto, Hideki Hasegawa, Hidetoshi Morokuma +1 more 2015-11-10
9171704 Mass spectrometer Hidetoshi Morokuma, Yuichiro Hashimoto, Masuyuki Sugiyama, Hideki Hasegawa 2015-10-27
9105453 Mass spectrometer and mass spectrometry Tsukasa Shishika, Hidetoshi Morokuma, Hiroyuki Inoue 2015-08-11
8866070 Mass spectrometer Hidetoshi Morokuma, Yuichiro Hashimoto, Masuyuki Sugiyama, Hideki Hasegawa 2014-10-21
8835834 Mass spectrometer and mass spectrometry method Masuyuki Sugiyama, Yuichiro Hashimoto, Hisashi Nagano, Hideki Hasegawa, Yasuaki Takada 2014-09-16
8803084 Mass spectrometer and mass spectrometry Kazushige Nishimura, Yuichiro Hashimoto, Masuyuki Sugiyama, Hidetoshi Morokuma 2014-08-12
8368013 Analyzer, ionization apparatus and analyzing method Masako Ishimaru, Yuichiro Hashimoto, Hideki Hasegawa, Masuyuki Sugiyama, Hidetoshi Morokuma 2013-02-05
8319194 Drug detection equipment Makoto Hashimoto, Takefumi Yokokura, Hiroyuki Inoue, Hidetoshi Morokuma 2012-11-27
8253097 Mass spectrometer and method of mass spectrometry Masako Ishimaru 2012-08-28
7882754 Gas component collector, gas component collecting device, filter producing method, and gas component analyzing apparatus Masao Suga, Izumi Waki 2011-02-08
7420180 Mass spectrometer and mass spectrometry Masao Suga, Izumi Waki 2008-09-02
7375316 Mass spectrometer and mass spectrometry Masao Suga, Izumi Waki 2008-05-20
7064320 Mass chromatograph Izumi Waki, Hideo Kasima 2006-06-20
6852970 Mass spectrometer Izumi Waki 2005-02-08
6840120 Explosive detection system and sample collecting device Minoru Sakairi, Masao Suga, Yuichiro Hashimoto 2005-01-11
6838664 Mass spectrometer, mass spectrometry, and monitoring system Minoru Sakairi, Yuichiro Hashimoto, Masao Suga, Kyoko Kojima 2005-01-04