HK

Haruyuki Kawahara

UN Unknown: 6 patents #2,010 of 83,584Top 3%
KL Kanebo, Limited: 5 patents #32 of 571Top 6%
TC Toho Titanium Co.: 4 patents #28 of 153Top 20%
GI G-C Dental Industrial: 3 patents #18 of 89Top 25%
KC Kyoto Ceramic Company: 1 patents #6 of 43Top 15%
NM Nippon Mektron: 1 patents #123 of 286Top 45%
Overall (All Time): #280,924 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
5167502 Method for an endosseous implant having mesh pore structure Katsumi Tanaka, Yasuyuki Ashiura, Motonobu Yoshimura 1992-12-01
4964801 Endosseous implant having polycapillary structure Katsumi Tanaka, Yasuyuki Ashiura, Motonobu Yoshimura 1990-10-23
4957819 Frameless and coreless porous endosseous implant Seiichi Tsukamoto, Yutaka Nomura, Katsumi Tanaka, Yasuyuki Ashiura, Motonobu Yoshimura 1990-09-18
4904448 Patch test materials for the detection of metal allergies 1990-02-27
4842517 Endosseous implant having mesh pore structure Katsumi Tanaka, Yasuyuki Ashiura, Motonobu Yoshimura 1989-06-27
4738622 Removable denture retaining structure Hiroki Wada, Takashi Tsutsumi, Ikuya Matsuo 1988-04-19
4731020 Removable denture retaining structure Hiroki Wada, Takashi Tsutsumi, Ikuya Matsuo 1988-03-15
4689080 Base material composition for dental treatment Shoji Takeda 1987-08-25
4652593 Dental aluminate cement compositions Shoji Takeda, Hiroshi Oshima, Kentaro Tomioka, Shoji Akahane, Eiichi Yoshii +1 more 1987-03-24
4647600 Dental cement compositions Shoji Takeda, Hiroshi Oshima, Kentaro Tomioka, Shoji Akahane, Eiichi Yoshii +1 more 1987-03-03
4454258 Resin-forming material, implant material and compositions for restorative material suitable for medical or dental use Teruo Makita, Shozo Kudo, Takashi Funakoshi 1984-06-12
4440878 Resin-forming material, implant material and compositions for restorative material suitable for medical or dental use Teruo Makita, Shozo Kudo, Takashi Funakoshi 1984-04-03
4439153 Bio-functional denture Nobuhiro Ishizaki, Hiroki Wada 1984-03-27
4431421 Dental restorative composition Teruo Makita, Shozo Kudo, Takashi Funakoshi 1984-02-14
4327014 Resin-forming material, implant material and compositions for restorative material suitable for medical or dental use Teruo Makita, Shozo Kudo, Takashi Funakoshi 1982-04-27
4308014 Bonding compositions to the hard tissue of human body Takashi Funakoshi, Shozo Kudo, Teruo Makita 1981-12-29
4259072 Ceramic endosseous implant Masaya Hirabayashi 1981-03-31