KY

Kenichi Yamada

TO Toyota: 22 patents #976 of 26,838Top 4%
TC Takigen Manufacturing Co.: 18 patents #2 of 26Top 8%
Sumitomo Electric Industries: 15 patents #1,596 of 21,551Top 8%
Ricoh Company: 14 patents #1,578 of 9,818Top 20%
KO Komatsu: 13 patents #90 of 2,087Top 5%
HC Hitachi Koki Co.: 9 patents #123 of 888Top 15%
SU Subaru: 9 patents #77 of 1,436Top 6%
FC Fujigiken Co.: 5 patents #1 of 9Top 15%
WL West Nippon Expressway Company Limited: 5 patents #1 of 7Top 15%
FC Fuji Engineering Co.: 5 patents #1 of 12Top 9%
MC Murata Manufacturing Co.: 4 patents #1,804 of 5,295Top 35%
KM Konica Minolta: 4 patents #901 of 2,718Top 35%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
KA Kao: 2 patents #1,388 of 3,221Top 45%
RC Riken Vitamin Co.: 2 patents #3 of 53Top 6%
YC Yokowo Co.: 1 patents #88 of 176Top 50%
Samsung: 1 patents #49,284 of 75,807Top 70%
PC Pacific Industrial Co.: 1 patents #64 of 133Top 50%
JC Jcu: 1 patents #5 of 40Top 15%
KC Kyushu Electric Power Co.: 1 patents #56 of 151Top 40%
KU Kyushu University, National University: 1 patents #221 of 767Top 30%
NC Nichiman Co.: 1 patents #35 of 81Top 45%
NC Niles Parts Co.: 1 patents #72 of 137Top 55%
NL Nippon Sheet Glass Company, Limited: 1 patents #482 of 836Top 60%
NI Nippon Valqua Industries: 1 patents #30 of 83Top 40%
DE Denso: 1 patents #6,940 of 11,792Top 60%
SH Showa: 1 patents #167 of 337Top 50%
SK Showa Denko K.K.: 1 patents #940 of 1,736Top 55%
KC Kansai Electric Power Co.: 1 patents #210 of 506Top 45%
TC Toyo Communication Equipment Co.: 1 patents #44 of 111Top 40%
Yamaha Motor: 1 patents #1,283 of 2,310Top 60%
YK Ykk: 1 patents #472 of 845Top 60%
Overall (All Time): #7,738 of 4,157,543Top 1%
135
Patents All Time

Issued Patents All Time

Showing 76–100 of 135 patents

Patent #TitleCo-InventorsDate
7557761 Array antenna apparatus having at least two feeding elements and operable in multiple frequency bands Hiroshi Iwai, Atsushi Yamamoto, Tsutomu Sakata, Toshiteru Hayashi 2009-07-07
7457650 Portable radio communication apparatus provided with boom portion with through hole Hiroshi Iwai, Shinji Kamaeguchi, Toshihiro Asahina, Atsushi Yamamoto 2008-11-25
7447530 Portable radio communication apparatus provided with a boom portion and a part of housing operating as an antenna Hiroshi Iwai, Atsushi Yamamoto 2008-11-04
7362271 Antenna apparatus, communication apparatus, and antenna apparatus designing method Hiroshi Iwai, Atsushi Yamamoto, Shinji Kamaeguchi 2008-04-22
D562227 Battery pack Masanori Okada, Hiroyuki Hanawa 2008-02-19
D551930 Reciprocating saw Toshihiko Tachibana, Tomoyuki Kawahara, Masanori Okada, Shinichi Kakefuda 2007-10-02
7245950 Portable radio communication apparatus provided with a boom portion and a part of housing operating as an antenna Hiroshi Iwai, Atsushi Yamamoto 2007-07-17
7195857 Resist curable resin composition and cured article thereof Kenji Tamura, Motoyuki Hirata, Eikichi Kogure 2007-03-27
7196672 Portable radio communication apparatus provided with a part of a housing operating as an antenna Hiroshi Iwai, Atsushi Yamamoto 2007-03-27
7130591 Cell phone Hiroshi Iwai, Koichi Ogawa, Kazuhiko Ohta, Tsukasa Takahashi, Masayoshi Hirai 2006-10-31
7069899 Oil pan mounting structure Tsutomu Okuda 2006-07-04
7041025 Manual transmission for four-wheel drive vehicle 2006-05-09
7009567 Portable radio communication apparatus provided with a part of a housing operating as an antenna Hiroshi Iwai, Atsushi Yamamoto 2006-03-07
7006291 Optical device and method for fabricating the same Masahiro Hori, Teruyuki Sasaki, Hiroaki Yamamoto, Kentaro Fukuda, Toshiaki Anzaki +3 more 2006-02-28
6897814 Mobile radio Hiroshi Iwai, Atsushi Yamamoto, Koichi Ogawa, Shinji Kamaeguchi, Tsukasa Takahashi 2005-05-24
6867133 Method of manufacturing chip inductor Toyonori Kanetaka, Toshihiro Yoshizawa, Akira Fujimori, Hideaki Nakayama, Hiromasa Yamamoto +1 more 2005-03-15
6830528 Manual transmission for four-wheel drive vehicle 2004-12-14
6825811 Display-antenna integral structure and communication apparatus Hiroshi Iwai, Atsushi Yamamoto, Koichi Ogawa, Hiroaki Kosugi 2004-11-30
6806835 Antenna structure, method of using antenna structure and communication device Hiroshi Iwai, Atsushi Yamamoto, Koichi Ogawa, Toshihiro Asahina, Shinji Kamaeguchi 2004-10-19
6731920 Portable telephone apparatus and control method thereof Hiroshi Iwai, Koichi Ogawa, Yoshio Koyanagi 2004-05-04
D485147 Portable electric jig saw Naoya Etou 2004-01-13
6670925 Inverted F-type antenna apparatus and portable radio communication apparatus provided with the inverted F-type antenna apparatus Hiroshi Iwai, Atsushi Yamamoto, Koichi Ogawa, Shinji Kamaeguchi, Tsukasa Takahashi 2003-12-30
D484381 Portable electric jig saw Naoya Etou 2003-12-30
6633261 Antenna and wireless device incorporating the same Hiroshi Iwai, Atsushi Yamamoto, Koichi Ogawa, Shinji Kamaeguchi, Tsukasa Takahashi 2003-10-14
6249116 Driving unit of cross-coil type indicating instrument Isao Miyagawa 2001-06-19