HH

Hiroyuki Hirata

NS Nippon Steel: 11 patents #170 of 4,423Top 4%
SI Sumitomo Metal Industries: 9 patents #34 of 1,462Top 3%
NM Nippon Steel & Sumitomo Metal: 7 patents #120 of 1,491Top 9%
HM Hitachi Maxell: 6 patents #147 of 1,211Top 15%
Kawasaki: 6 patents #341 of 2,943Top 15%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
NC Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
OC Osaka Gas Co.: 1 patents #252 of 689Top 40%
MA Maxell: 1 patents #286 of 437Top 70%
TO Topcon: 1 patents #425 of 684Top 65%
Overall (All Time): #75,499 of 4,157,543Top 2%
41
Patents All Time

Issued Patents All Time

Showing 26–41 of 41 patents

Patent #TitleCo-InventorsDate
8313591 Austenitic heat resistant alloy Atsuro Iseda, Hirokazu Okada, Hiroyuki Semba, Kaori Kawano, Osamu Miyahara 2012-11-20
8293169 Ni-base heat resistant alloy Hiroyuki Semba, Atsuro Iseda, Kaori Kawano, Masaaki Igarashi, Osamu Miyahara 2012-10-23
8133431 Austenitic stainless steel Takahiro Osuki, Kazuhiro Ogawa, Yoshitaka Nishiyama 2012-03-13
7457052 Light shield sheet, optical apparatus, and method of manufacturing light shield sheet 2008-11-25
7432700 Surface inspection apparatus 2008-10-07
7419315 Lens device Masatoshi Hashimoto 2008-09-02
7238434 Welded structure having improved resistance to stress corrosion cracking Hisashi Amaya, Kazuhiro Ogawa, Kunio Kondo, Masayuki Sagara 2007-07-03
6712913 Ferritic heat-resisting steel Kazuhiro Ogawa 2004-03-30
6528012 Welded structure made of low thermal expansion coefficient alloy and welding material therefore Kazutoshi Nishimoto, Naoshige Kubo, Hiroshi Iwahashi, Shuji Yamamoto, Hidefumi Yamanaka +6 more 2003-03-04
6379611 High strength, low alloy, heat resistant steel Nobuyoshi Komai, Fujimitsu Masuyama, Tomomitsu Yokoyama, Kaori Kawano, Takao Kan 2002-04-30
6333089 Substrate for information recording disk, mold and stamper for injection molding substrate, and method for making stamper, and information recording disk Tatsuo Araki, Osamu Ishizaki, Hideo Daimon, Yasuhiko Kokufuda, Tsuyoshi Maro +1 more 2001-12-25
6319580 Recording disk and producing method therefor Tatsuo Araki, Hiroyuki Ohta, Susumu Shibasaki, Osamu Ishizaki, Tsuyoshi Maro 2001-11-20
6127017 Substrate for information recording disk, mold and stamper for injection molding substrate, and method for making stamper, and information recording disk Tatsuo Araki, Osamu Ishizaki, Hideo Daimon, Yasuhiko Kokufuda, Tsuyoshi Maro +1 more 2000-10-03
6042782 Welding material for stainless steels Yoshiaki Murata, Yuichi Komizo 2000-03-28
6024276 Method for bonding dual-phase stainless steel Yuuichi Komizo, Yasuto Fukada, Masakatsu Ueda 2000-02-15
5574416 Electromagnetic relay Terutaka Maruyama, Seiji Kawai 1996-11-12