HT

Hideharu Takahashi

SU Subaru: 8 patents #95 of 1,436Top 7%
SU Subaru: 5 patents #164 of 1,684Top 10%
SI Sanshin Industries: 4 patents #98 of 319Top 35%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
Overall (All Time): #199,632 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
12202057 Drill and method of producing drilled product Masao Watanabe, Hiroyuki Sugawara, Tatsuo Nakahata, Ryohei Ono, Shinya Matsuo 2025-01-21
11969803 Drill and method of producing drilled product Masao Watanabe, Ryohei Ono, Tatsuo Nakahata, Hiroyuki Sugawara, Shinya Matsuo 2024-04-30
10252386 Tool driving device, tool driving method, and tool feeding mechanism for tool driving device Manabu Saito, Tatsuo Nakahata, Toshio Nishino, Masao Watanabe 2019-04-09
9981322 Drill and drilling method for workpiece Tatsuo Nakahata, Manabu Saito, Masanori Hosoi 2018-05-29
9827617 Drill and method of manufacturing drill Manabu Saito, Tatsuo Nakahata, Masao Watanabe, Toshio Nishino 2017-11-28
9669472 Drilling apparatus and drilling method Hideaki Miyajima, Takashi Murakami, Tatsuo Nakahata 2017-06-06
9656328 Cutting tool Manabu Saito, Tatsuo Nakahata, Junji Tsuchiya, Masao Watanabe, Eiji Hashimoto +1 more 2017-05-23
9180531 Drill and drilling method for workpiece Tatsuo Nakahata, Manabu Saito, Masanori Hosoi 2015-11-10
9168593 Drill Manabu Saito, Tatsuo Nakahata 2015-10-27
9009937 Sleeve removal tool and sleeve removal method Manabu Saito, Tatsuo Nakahata 2015-04-21
8876442 Rotary cutter Manabu Saito, Tatsuo Nakahata 2014-11-04
8734067 Drill Manabu Saito, Tatsuo Nakahata, Junji Tsuchiya, Eiji Hashimoto, Hirofumi Higashiwaki 2014-05-27
8479613 Fastening tool Manabu Saito, Tatsuo Nakahata 2013-07-09
6130502 Cathode assembly, electron gun assembly, electron tube, heater, and method of manufacturing cathode assembly and electron gun assembly Kazuo Kobayashi, Takashi Sudo, Toshiharu Higuchi, Sakae Kimura, Shinpei Koshigoe +1 more 2000-10-10
5219306 Vibration absorbing structure of outboard motor 1993-06-15
5091856 Control apparatus for automobiles Taiji Hasegawa, Masaaki Fujisawa, Masahide Sakamoto, Toshio Ishii 1992-02-25
4951212 Automobile driving guide apparatus Nobuo Kurihara, Minoru Osuga, Akira Endo 1990-08-21
4941854 Boarding sensor and controller for small watercraft Yoshiaki Uchida 1990-07-17
4872858 Outboard jet propulsion device Junichi Hasegawa 1989-10-10
4813895 Forward-reverse for marine propulsion device of a water-jet type 1989-03-21
4790781 Lubricating construction for marine propulsion device of water jet type 1988-12-13