IK

Isao Kuroyanagi

DE Denso: 13 patents #859 of 11,792Top 8%
NC Nippondenso Co.: 4 patents #582 of 3,479Top 20%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
📍 Anjo, JP: #190 of 1,609 inventorsTop 15%
Overall (All Time): #273,368 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
10655530 Intercooler Masaki Harada, Takefumi Kawaguchi 2020-05-19
10612457 Intercooler Masaki Harada, Takefumi Kawaguchi 2020-04-07
10544727 Intercooler Takefumi Kawaguchi, Masaki Harada 2020-01-28
10202880 Exhaust heat exchanger Ryoichi Sanada, Yasutoshi Yamanaka 2019-02-12
9956654 Method for manufacturing heat exchanger, and heat exchanger Kazuaki Kafuku, Yasutoshi Yamanaka, Ryonosuke Tera, Yukihiro Sano 2018-05-01
9581107 Exhaust gas heat exchanging device Takayuki Hayashi, Takeshi Iguchi, Yasutoshi Yamanaka 2017-02-28
9464598 Exhaust gas cooling device Takashi Tomita, Toru Ikeda, Takayuki Hayashi, Takeshi Iguchi, Takao Ikeda +1 more 2016-10-11
8925624 Exhaust heat exchanger Takayuki Hayashi, Yasutoshi Yamanaka, Yuuhei Kunikata, Takeshi Iguchi, Ryoichi Sanada +2 more 2015-01-06
6339937 Refrigerant evaporator Masamichi Makihara, Toshiya Nagasawa, Eiichi Torigoe 2002-01-22
6308527 Refrigerant evaporator with condensed water drain structure Masamichi Makihara, Toshio Ohara 2001-10-30
6272881 Refrigerant evaporator and manufacturing method for the same Masamichi Makihara, Toshio Ohara, Sadayuki Kamiya 2001-08-14
6253840 Refrigerant evaporator including refrigerant passage with inner fin 2001-07-03
6178292 Core unit of heat exchanger having electric heater Mikio Fukuoka, Mitsugu Nakamura, Toshio Ohara, Sadayuki Kamiya, Shinji Naruse +3 more 2001-01-23
5444993 Condenser for refrigerating cycle Ken Yamamoto, Yasushi Yamanaka, Nobuharu Kakehashi 1995-08-29
4936108 Vapor pressure-adjusting valve and refrigeration system using same Shinji Ogawa, Yoshiharu Kajikawa, Norimasa Baba, Toshio Ohara 1990-06-26
4870834 Vapor pressure-adjusting valve and refrigeration system using same Shinji Ogawa, Yoshiharu Kajikawa, Norimasa Baba, Toshio Ohara 1989-10-03
4821531 Refrigerant evaporator Yoshiyuki Yamauchi, Toshio Ohhara, Shinji Ogawa, Haruhiko Otsuka, Toshio Takahashi +1 more 1989-04-18