YH

Yasushi Hasegawa

NS Nippon Steel: 21 patents #52 of 4,423Top 2%
MS Mitsubishi Heavy Industries Thermal Systems: 15 patents #4 of 149Top 3%
NM Nippon Steel & Sumitomo Metal: 6 patents #158 of 1,491Top 15%
IC Ibiden Co.: 5 patents #175 of 730Top 25%
MM Mitsubishi Mining: 4 patents #189 of 2,247Top 9%
Mitsubishi Electric: 4 patents #7,099 of 25,717Top 30%
MC Minolta Co.: 3 patents #574 of 1,416Top 45%
Sharp Kabushiki Kaisha: 3 patents #4,164 of 10,731Top 40%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
FL Fujitsu Semiconductor Limited: 2 patents #355 of 1,301Top 30%
NT NTT: 2 patents #2,095 of 4,871Top 45%
NI Nisshinbo Industries: 2 patents #93 of 375Top 25%
CL Central Glass Company, Limited: 1 patents #505 of 968Top 55%
BA Babcock-Hitachi: 1 patents #209 of 415Top 55%
NS Nidec Sankyo: 1 patents #191 of 291Top 70%
DE Denso: 1 patents #6,940 of 11,792Top 60%
Overall (All Time): #31,827 of 4,157,543Top 1%
67
Patents All Time

Issued Patents All Time

Showing 51–67 of 67 patents

Patent #TitleCo-InventorsDate
6406564 Electric welded boiler steel pipe Taro Muraki, Junichi OKAMOTO 2002-06-18
6363375 Classification tree based information retrieval scheme Takashi Hoshino, Giichi Kishimoto, Kinji Kato, Tsuyoshi Hayashi 2002-03-26
6264761 Alloy foil for liquid-phase diffusion bonding bondable in oxidizing atmosphere Eiji Tsuru, Yuichi Sato, Shigekatsu Ozaki 2001-07-24
6169854 Display device connectable to a camera Takashi Kato, Masayasu Hirano, Toru Kasai, Chisato Kasuya, Koichi Ujike +1 more 2001-01-02
6162307 BN-precipitation-strengthened low-carbon-ferritic heat-resistant steel excellent in weldability Taro Muraki 2000-12-19
5919577 Fe-based alloy foil for liquid-phase diffusion bonding of Fe-based materials by enabling bonding in oxidizing atmospheres Eiji Tsuru, Yuichi Sato, Shigekatsu Ozaki 1999-07-06
5772956 High strength, ferritic heat-resistant steel having improved resistance to intermetallic compound precipitation-induced embrittlement Masahiro Ohgami, Hisashi Naoi 1998-06-30
5766376 High-strength ferritic heat-resistant steel and method of producing the same Hisashi Naoi, Takashi Sato, Kohji Tamura, Toshio Fujita 1998-06-16
5759300 Liquid-phase diffusion bonding alloy foils for joining heat-resistant metals in oxidizing atmospheres Hisashi Naoi, Yuuichi Satoh, Hiroshi Ukeba 1998-06-02
5701518 Waterproof camera Tsutomu Honda, Hisanori Itoh, Takuya Ueno, Junji Mori, Hiroyuki Matsumoto +1 more 1997-12-23
5683822 Liquid-phase diffusion bonding alloy foils for joining heat-resistant metals in oxidizing atmospheres Hisashi Naoi, Yuuichi Satoh, Hiroshi Ukeba 1997-11-04
5650024 Martensitic heat-resisting steel excellent in HAZ-softening resistance and process for producing the same Masahiro Ohgami, Nobuo Mizuhashi, Hisashi Naoi, Toshio Fujita 1997-07-22
5268142 High-nitrogen ferritic heat-resisting steel with high vanadium content and method of production thereof Masahiro Ohgami, Hisashi Naoi, Shuichi Funaki, Fujimitsu Masuyama 1993-12-07
5254307 High-nitrogen ferritic heat-resisting steel with high niobium content and method of production thereof Masahiro Ohgami, Hisashi Naoi, Fujimitsu Masuyama 1993-10-19
5204056 Method of production of high-nitrogen ferritic heat-resisting steel Peter Ernst, Fujimitsu Masuyama 1993-04-20
5158745 High-nitrogen ferritic heat-resisting steel Peter Ernst, Fujimitsu Masuyama 1992-10-27
4804021 Highly tough ERW steel pipe with distinguished sour resistance Hiroyo Haga 1989-02-14