SF

Sunao Funakoshi

HI Hitachi: 10 patents #4,206 of 28,497Top 15%
HH Hitachi High-Technologies: 3 patents #336 of 1,200Top 30%
Overall (All Time): #336,403 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12422445 Automated analyzer Takenori Okusa, Nobuyuki Isoshima, Koki YOKOYAMA 2025-09-23
11953508 Automatic analysis device Takenori Okusa, Nobuyuki Isoshima, Koki YOKOYAMA 2024-04-09
11906534 Automatic analyzer Takenori Okusa, Nobuyuki Isoshima, Koki YOKOYAMA 2024-02-20
8879259 Cooling system for onboard electrical power converter, and electrical power converter for railway vehicle Osamu Suzuki, Yosuke Yasuda, Keisuke Horiuchi, Tomoo Hayashi, Atsuo Nishihara 2014-11-04
8860213 Power converter Tsutomu Kominami, Mami Kunihiro, Katsumi Ishikawa, Yosuke Yasuda 2014-10-14
8508258 Driver circuit for switching device Katsumi Ishikawa, Kozo Sakamoto, Hidekatsu Onose 2013-08-13
7957145 Electric power converter Osamu Suzuki, Keisuke Horiuchi, Atsuo Nishihara, Yosuke Yasuda 2011-06-07
7805271 Evaluation system for amount of emission gases through fuel supply chain Masafumi Nojima, Akiyoshi Komura, Takeyuki Itabashi, Hiroshi Arita, Yukinobu Maruyama +2 more 2010-09-28
7783396 Hybrid cruising control system Hiroshi Arita, Katsumi Ishikawa, Masahiro Nagasu 2010-08-24
7671465 Power semiconductor module Katsumi Ishikawa, Tasao Soga 2010-03-02
7547966 Power semiconductor module Katsumi Ishikawa, Tasao Soga 2009-06-16
6923016 Refrigeration cycle apparatus Hirokatsu Kohsokabe, Kazuhiro Endoh, Kenji Tojo, Hiroaki Matsushima 2005-08-02
6682322 Air-conditioner for use in an automobile Hidenori Yokoyama, Masao Imanari, Masatsugu Chikano 2004-01-27
5156203 Air conditioning system Kazuya Matsuo, Hiroo Nakamura, Hiroaki Matsushima, Daisuke Hisajima, Akira Nishiguchi +3 more 1992-10-20