HY

Hiroshi Yamagata

Yamaha Motor: 19 patents #37 of 2,310Top 2%
UN Unknown: 9 patents #1,046 of 83,584Top 2%
YK Yoshida Kogyo K.K.: 8 patents #44 of 468Top 10%
SO Sony: 7 patents #6,034 of 25,231Top 25%
Sharp Kabushiki Kaisha: 5 patents #3,007 of 10,731Top 30%
HO Hosiden: 5 patents #66 of 328Top 25%
Honda Motor Co.: 2 patents #8,527 of 21,052Top 45%
MO Moresco: 2 patents #9 of 41Top 25%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
HA Hanano: 1 patents #3 of 16Top 20%
HM Hino Motors: 1 patents #109 of 311Top 40%
HD Hitachi Displays: 1 patents #519 of 752Top 70%
KA Kaneka: 1 patents #886 of 1,525Top 60%
YK Ykk: 1 patents #472 of 845Top 60%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Eastman Kodak: 1 patents #4,972 of 8,114Top 65%
Overall (All Time): #50,764 of 4,157,543Top 2%
52
Patents All Time

Issued Patents All Time

Showing 26–50 of 52 patents

Patent #TitleCo-InventorsDate
6205836 Method for manufacturing piston by forging and forging die Toshikatsu Koike 2001-03-27
6070323 Piston for internal combustion engine and material therefore Toshikatsu Koike, Hirotaka Kurita 2000-06-06
6032570 Composite piston for machine Toshikatsu Koike, Hirotaka Kurita 2000-03-07
5992015 Process for forming composite piston Hirotaka Kurita, Toshikatsu Koike 1999-11-30
5949494 Aspect ratio discrimination apparatus and image display apparatus including the same Kenji Watanabe 1999-09-07
5648174 Highly hard thin film and method for production thereof Akihisa Inoue, Tsuyoshi Masumoto, Junichi Nagahora 1997-07-15
5595814 Wear resistant film Shinichiro Maruyama 1997-01-21
5523850 Picture signal recording device having adaptive processing circuit for adding color signal and sub-sampled color signal in response to motion signal Yuko Kanda, Yoshitaka Miyake 1996-06-04
5497201 Sync chip clamping/sync separator circuit Akihide Ogawa, Kazuhiro Takeda, Yoshiharu Ito 1996-03-05
5423923 Hard film of amorphous Ti-Si alloy having fine tin particles Tadashi Yamaguchi, Hideki Takeda, Nobuyuki Nishiyama, Katsutoshi Nozaki, Akihisa Inoue +1 more 1995-06-13
5405458 Method of producing hard film of Ti-Si-N composite material Tadashi Yamaguchi, Hideki Takeda, Nobuyuki Nishiyama, Katsutoshi Nozaki, Akihisa Inoue +1 more 1995-04-11
5366564 Hard wear-resistant film and method for production thereof Akihisa Inoue, Tsuyoshi Masumoto 1994-11-22
5233316 Digital voltage controlled oscillator having a ring oscillator with selectable output taps Takaaki Yamada 1993-08-03
5219675 Electrolyte for fuel cell Makoto Kamide, Yasuo Suzuki 1993-06-15
5024721 Method of forming metal surface thin film having high corrosion resistance and high adhesion 1991-06-18
5015308 Corrosion-resistant and heat-resistant amorphous aluminum-based alloy thin film and process for producing the same 1991-05-14
5012776 Composite cylinder block assembly 1991-05-07
5010628 Coupling element row for slide fastener and surface treating method for the same 1991-04-30
4750393 Method for punching a cylindrical tube 1988-06-14
4700444 Method for making a composite engine cylinder block with preformed liner 1987-10-20
4637110 Method for making a composite cylinder block 1987-01-20
D282360 Intercommunication unit Kendo Makihara 1986-01-28
D281500 Interphone Kendo Makihara 1985-11-26
D281501 Interphone Kendo Makihara 1985-11-26
D280097 Electronic intercommunications unit Kendo Makihara 1985-08-13