YY

Yoshikazu Yamada

Honda Motor Co.: 24 patents #415 of 21,052Top 2%
TC Tasaki & Co.: 12 patents #2 of 3Top 70%
Fujitsu Limited: 6 patents #5,180 of 24,456Top 25%
MC Mitsui Chemicals: 4 patents #512 of 2,279Top 25%
Mitsubishi Electric: 3 patents #8,691 of 25,717Top 35%
MI Mitsui Petrochemical Industries: 2 patents #322 of 1,024Top 35%
MI Mitsuibshi Heavy Industries: 1 patents #4 of 121Top 4%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
OI Olympus Imaging: 1 patents #211 of 341Top 65%
OC Olympus Optical Co.: 1 patents #1,517 of 2,334Top 65%
SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
KE Keihin: 1 patents #237 of 596Top 40%
KS Komatsu Shisakusho: 1 patents #409 of 885Top 50%
MC Mitsubishi Heavy Industries Compressor: 1 patents #105 of 209Top 55%
MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
📍 Tokyo, CA: #90 of 583 inventorsTop 20%
Overall (All Time): #18,228 of 4,157,543Top 1%
89
Patents All Time

Issued Patents All Time

Showing 76–89 of 89 patents

Patent #TitleCo-InventorsDate
6639436 Semiconductor integrated circuit with function to start and stop supply of clock signal Masami Kanasugi, Shoji Taniguchi, Koichi Kuroiwa 2003-10-28
6546032 Semiconductor laser apparatus Yasuo Oeda, Satoru Okada, Kouichi Igarashi, Yumi Naito, Kiyofumi Muro +3 more 2003-04-08
6171878 Method of fabricating semiconductor laser using selective growth Tsuyoshi Fujimoto, Yumi Naito, Atsushi Okubo 2001-01-09
6118799 Semiconductor laser device Atsushi Okubo, Tsuyoshi Fujimoto, Satoru Okada, Yumi Naito, Kiyofumi Muro 2000-09-12
RE36431 Semiconductor laser element and laser device using the same element Kiyofumi Muro, Tsuyoshi Fujimoto, Yuji Yoshida, Shoji Ishizaka 1999-12-07
5820819 Steel for chimney or gas duct, excellent in pitting resistance and rust adhesion Koji Tanabe, Hidesato Mabuchi, Yukio Tomita, Akira Usami, Katsutoshi Hashima +4 more 1998-10-13
5764668 Semiconductor laser device Shoji Ishizaka, Kiyofumi Muro, Tsuyoshi Fujimoto 1998-06-09
5719886 System for optically recording/reproducing multimedia information using code data Shinzo Matsui, Ryoichi Sawaki, Yoshiyuki Nada, Hiroo Hosono, Kenji Kishi 1998-02-17
5467364 Semiconductor laser element and laser device using the same element Kiyofumi Muro, Tsuyoshi Fujimoto, Yuji Yoshida, Shoji Ishizaka 1995-11-14
5452702 Side-valve type internal combustion engine Toshio Ebihara, Hideo Urata 1995-09-26
5085184 Device for reducing starting load on internal combustion engine Hiroyuki Nakano 1992-02-04
5031591 OHC vertical crankshaft engine Akihisa Shinoda, Motohiro Fujita, Naoyuki Kamiya, Hirohisa Ishikawa, Ryoji Saiki +3 more 1991-07-16
4735115 Method for manufacturing throw-away hob Kiyoshi Kaneshiro 1988-04-05
4187629 Perpetual and multi-year calendars 1980-02-12