DT

Doug M. Takehara

AC Acushnet: 18 patents #110 of 496Top 25%
Overall (All Time): #244,302 of 4,157,543Top 6%
18
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12357886 Double-wall iron with composite inner wall Jonathan Hebreo, Joshua G. Breier, Ryuichi Sugimae, Nick Frame 2025-07-15
12226679 Golf club having a damping element for ball speed control Grant M. Martens 2025-02-18
12220623 Golf club having a damping element for ball speed control Grant M. Martens 2025-02-11
12145035 Adjustable bounce wedge Jonathan Hebreo, Richard L. Cleghorn, Aaron Dill 2024-11-19
12102890 Golf club having a low modulus crown Grant M. Martens, Uday V. Deshmukh, Nick Frame, Richard L. Cleghorn, Takeshi Casey Funaki 2024-10-01
12036448 Iron with sole slot Grant M. Martens, Richard L. Cleghorn, Charles E. Golden, Hiroshi Kawaguchi, Sang Yi +2 more 2024-07-16
11918867 Co-forged golf club head and method of manufacture Jonathan Hebreo, Richard L. Cleghorn 2024-03-05
D1006933 Iron golf club head Kevin J. Chun 2023-12-05
11826620 Golf club having a damping element for ball speed control Marni D. Ines, Jonathan Hebreo, Charles E. Golden, Oswaldo Gonzalez, Grant M. Martens +3 more 2023-11-28
11786789 Golf club having a damping element for ball speed control John Morin, Jason A. Mata, Jonathan Hebreo, Michael E. Franz, Charles E. Golden +2 more 2023-10-17
11766593 Adjustable bounce wedge Jonathan Hebreo, Richard L. Cleghorn, Aaron Dill 2023-09-26
11497971 Golf club having a low modulus crown Grant M. Martens, Uday V. Deshmukh, Nick Frame, Richard L. Cleghorn, Takeshi Casey Funaki 2022-11-15
11465020 Double-wall iron with composite inner wall Jonathan Hebreo, Joshua G. Breier, Ryuichi Sugimae, Nick Frame 2022-10-11
11077340 Golf club having a low modulus crown Grant M. Martens, Uday V. Deshmukh, Nick Frame, Richard L. Cleghorn, Takeshi Casey Funaki 2021-08-03
10821338 Striking face deflection structures in a golf club Jonathan Hebreo, Nick Frame, Oswaldo Gonzalez, Marni D. Ines, Joshua C. Stokes +1 more 2020-11-03
10583334 Golf club having a low modulus crown Grant M. Martens, Uday V. Deshmukh, Nick Frame, Richard L. Cleghorn, Takeshi Casey Funaki 2020-03-10
10569143 Multi-material golf club head Takeshi Casey Funaki, Gentry Ferguson 2020-02-25
10232230 Multi-material golf club head Gentry Ferguson, Mark C. Myrhum 2019-03-19