HK

Hiroshi Kawaguchi

TO Toyota: 30 patents #552 of 26,838Top 3%
AC Acushnet: 22 patents #91 of 496Top 20%
RE Renesas Electronics: 19 patents #114 of 4,529Top 3%
Nike: 18 patents #405 of 2,652Top 20%
KM Karsten Manufacturing: 10 patents #77 of 234Top 35%
Canon: 10 patents #6,241 of 19,416Top 35%
Honda Motor Co.: 7 patents #3,151 of 21,052Top 15%
HH Hitachi High-Technologies: 6 patents #452 of 1,917Top 25%
KS Kobe Steel: 6 patents #96 of 2,031Top 5%
UN Unknown: 5 patents #3,065 of 83,584Top 4%
KM Kyocera Medical: 5 patents #3 of 30Top 10%
TT The University Of Tokyo: 4 patents #204 of 2,633Top 8%
NE Nec: 4 patents #3,388 of 14,502Top 25%
KS Kobe Steel: 4 patents #359 of 1,773Top 25%
Aisin Seiki Kabushiki Kaisha: 3 patents #1,084 of 3,782Top 30%
MC Mitsubishi Mining & Cement Co.: 3 patents #14 of 110Top 15%
ME Midwest Express: 3 patents #4 of 18Top 25%
SC Sumitomo Heavy Industries Ion Technology Co.: 3 patents #17 of 61Top 30%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
KC Koyo Seiko Co.: 3 patents #150 of 749Top 25%
SA Sen Corporation, An Shi And Axcelis: 2 patents #7 of 25Top 30%
TO The New Industry Research Organization: 2 patents #1 of 29Top 4%
SO Sony: 2 patents #12,963 of 25,231Top 55%
SN Sumitomo Eaton Nova: 2 patents #9 of 23Top 40%
Pioneer Electronic: 2 patents #804 of 1,840Top 45%
MC Murata Manufacturing Co.: 2 patents #2,631 of 5,295Top 50%
HG HGST: 1 patents #253 of 483Top 55%
DE Denso: 1 patents #6,940 of 11,792Top 60%
FC Furukawa Electric Co.: 1 patents #1,242 of 2,370Top 55%
HC Hitachi Electronics Engineering Co.: 1 patents #61 of 175Top 35%
IK Inoue Mtp Kabushiki Kaisha: 1 patents #15 of 36Top 45%
JS Jfe Steel: 1 patents #825 of 1,401Top 60%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
KC Kawaguchi Co.: 1 patents #2 of 6Top 35%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
NE Nec Electronics: 1 patents #715 of 1,789Top 40%
NK Nippon Gohsei Kagaku Kogyo: 1 patents #62 of 142Top 45%
OM Omron: 1 patents #1,808 of 3,089Top 60%
OC Osaka Gas Co.: 1 patents #252 of 689Top 40%
Rohm Co.: 1 patents #1,438 of 2,292Top 65%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
SH Shimadzu: 1 patents #1,152 of 2,007Top 60%
TC Taylor Made Golf Company: 1 patents #222 of 288Top 80%
TI Tokai Rubber Industries: 1 patents #281 of 557Top 55%
TK Toshiba Tec Kabushiki Kaisha: 1 patents #1,144 of 1,664Top 70%
Overall (All Time): #3,837 of 4,157,543Top 1%
188
Patents All Time

Issued Patents All Time

Showing 25 most recent of 188 patents

Patent #TitleCo-InventorsDate
12420731 Vehicle structure and method for manufacturing vehicle Masayuki Motobe, Nobuyo Kondo, Yoshihiko Tsuzuki 2025-09-23
12411450 Image forming apparatus Takao Nada, Naoyuki Maeda, Shuntaro Tezuka 2025-09-09
12397206 Golf club head with improved inertia performance Ryuichi Sugimae, Peter L. Larsen, Stephen S. Murphy, Scott A. Knutson, Charles E. Golden +6 more 2025-08-26
12325469 Vehicle floor structure and method for manufacturing vehicle Nobuyo Kondo, Yoshihiko Tsuzuki 2025-06-10
12312012 Vehicle floor structure and method for manufacturing vehicle Nobuyo Kondo, Yoshihiko Tsuzuki 2025-05-27
12296240 Golf club having removable weight Richard L. Cleghorn, David S. Cornelius, Dustin A. Barksdale 2025-05-13
12220620 Golf club head with improved inertia performance Ryuichi Sugimae, Charles E. Golden, Joey Ashcroft, Richard L. Cleghorn, Gregory D. Johnson +4 more 2025-02-11
12208316 Multi-piece golf club head Richard Sanchez, Richard L. Cleghorn, Ryuichi Sugimae, Peter L. Larsen, Stephen S. Murphy +1 more 2025-01-28
12115419 Golf club head with improved inertia performance Charles E. Golden, Joey Ashcroft, Richard L. Cleghorn, Gregory D. Johnson, Gentry Ferguson +3 more 2024-10-15
12036448 Iron with sole slot Doug M. Takehara, Grant M. Martens, Richard L. Cleghorn, Charles E. Golden, Sang Yi +2 more 2024-07-16
11819741 Golf club head and golf club head structures Andrew G. V. Oldknow, James S. Thomas, Robert Boyd 2023-11-21
11813505 Multi-material golf club head 2023-11-14
11813506 Golf club damping Ryan J. A. Ritchie 2023-11-14
11813491 Golf club having removable weight Richard L. Cleghorn, David S. Cornelius, Dustin A. Barksdale 2023-11-14
11752405 Golf club head with improved inertia performance Ryuichi Sugimae, Peter L. Larsen, Stephen S. Murphy, Scott A. Knutson, Charles E. Golden +6 more 2023-09-12
11577131 Golf club head with improved inertia performance Ryuichi Sugimae, Charles E. Golden, Joey Ashcroft, Richard L. Cleghorn, Gregory D. Johnson +4 more 2023-02-14
11541289 Golf club having removable weight Richard L. Cleghorn, David S. Cornelius, Dustin A. Barksdale 2023-01-03
11526093 Toner, toner cartridge, and image forming apparatus 2022-12-13
11497970 Golf club head with improved inertia performance and removable aft body coupled by snap fit connection Sang Yi, Peter L. Larsen, Stephen S. Murphy, Scott A. Knutson, Charles E. Golden +7 more 2022-11-15
11399778 Measuring instrument attachment assist device and measuring instrument attachment assist method Toru Yamada 2022-08-02
11331546 Golf club head with improved inertia performance Charles E. Golden, Joey Ashcroft, Richard L. Cleghorn, Gregory D. Johnson, Gentry Ferguson +3 more 2022-05-17
11213730 Golf club head with improved inertia performance Ryuichi Sugimae, Peter L. Larsen, Stephen S. Murphy, Scott A. Knutson, Charles E. Golden +6 more 2022-01-04
11185745 Golf club head or other ball striking device having stiffened face portion Robert Boyd, Jeremy N. Snyder, James S. Thomas, Raymond J. Sander, Rick S. Wahlin +1 more 2021-11-30
11027178 Golf club head with improved inertia performance Ryuichi Sugimae, Charles E. Golden, Joey Ashcroft, Richard L. Cleghorn, Gregory D. Johnson +4 more 2021-06-08
11013966 Golf club having removable weight Richard L. Cleghorn, David S. Cornelius, Dustin A. Barksdale 2021-05-25