YY

Yoshihiko Yamada

UJ Unisia Jecs: 16 patents #14 of 395Top 4%
Nissan Motor Co.: 13 patents #482 of 8,689Top 6%
HI Hitachi: 10 patents #4,206 of 28,497Top 15%
HS Hitachi Automotive Systems: 9 patents #167 of 1,636Top 15%
JT Jtekt: 9 patents #162 of 1,969Top 9%
AU Atsugi Unisia: 3 patents #20 of 117Top 20%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
DC Daifuku Co.: 3 patents #100 of 509Top 20%
Canon: 2 patents #12,681 of 19,416Top 70%
HS Harmonic Drive Systems: 2 patents #56 of 147Top 40%
NC Nidek Co.: 2 patents #161 of 365Top 45%
TK Toyoda Koki Kabushiki Kaisha: 2 patents #222 of 674Top 35%
HM Hyundai Motor: 1 patents #6,384 of 11,886Top 55%
KC Kuraray Co.: 1 patents #981 of 1,827Top 55%
TO Tomey: 1 patents #22 of 51Top 45%
📍 Fujisawa, JP: #6 of 21 inventorsTop 30%
Overall (All Time): #35,690 of 4,157,543Top 1%
63
Patents All Time

Issued Patents All Time

Showing 1–25 of 63 patents

Patent #TitleCo-InventorsDate
12007756 Machining assist system and cutting apparatus Hiroshi Kojima, Takayuki Azuma, Toshiki Sakai, Shigetoshi Noritake, Kazunari Teramoto 2024-06-11
11059115 Gear machining apparatus and gear machining method Daichi Kanda, Takaaki Hashimoto, Yuji Sasaki, Hisashi Otani, Yoshitaro Ohsaki 2021-07-13
10919094 Cutting device and cutting method Takayuki Azuma, Kenji Hamada, Masahiro Kiji, Hiroshi Watanabe 2021-02-16
10883421 Actuator of variable compression ratio mechanism and actuator of link mechanism Junichiro Onigata, Kishiro NAGAI 2021-01-05
10400667 Variable compression ratio mechanism for internal combustion engine Ryosuke Hiyoshi, Yoshiaki Tanaka, Yoshihide Kiyosawa, Jun Handa, Kishiro NAGAI +1 more 2019-09-03
10400666 Variable compression ratio mechanism for internal combustion engine Ryosuke Hiyoshi, Yoshiaki Tanaka, Yoshihide Kiyosawa, Jun Handa, Kishiro NAGAI +1 more 2019-09-03
10400668 Actuator device for variable compression ratio internal combustion engine Ryosuke Hiyoshi, Yoshiaki Tanaka, Kishiro NAGAI, Junichiro Onigata 2019-09-03
10391560 Cutting device and cutting method Takayuki Azuma, Kenji Hamada, Masahiro Kiji, Hiroshi Watanabe 2019-08-27
10191017 Dynamic characteristic calculation apparatus and its method for machine tool Hiroshi Watanabe, Takayuki Azuma, Kenji Hamada 2019-01-29
10156186 Actuator for link mechanism for internal combustion engine, and method for assembling said actuator Kishiro NAGAI, Junichiro Onigata 2018-12-18
10107155 Valve timing control apparatus of internal combustion engine Hong Wook Lee, Bonghoon Han, Jaechun Kim, Hyung Ick Kim, Manabu Katayama +1 more 2018-10-23
9797307 Actuator of variable compression ratio mechanism and actuator of link mechanism Junichiro Onigata, Kishiro NAGAI 2017-10-24
9482161 Actuator of link mechanism for internal combustion engine and actuator for variable compression ratio mechanism Kishiro NAGAI, Junichiro Onigata 2016-11-01
9421657 Machining control apparatus and machining control method thereof Kenji Hamada, Shinji Murakami 2016-08-23
8818549 Controller for machine tool and five-axis simultaneous control machine tool controlled thereby Atsushi Saito 2014-08-26
8801178 Fundus photographing apparatus Hideo Mukai, Masaaki Hanebuchi 2014-08-12
8712576 Controller for machine tool and five-axis simultaneous control machine tool controlled thereby 2014-04-29
8667936 Valve control apparatus for internal combustion engine Mikihiro Kajiura 2014-03-11
8235528 Fundus photographing apparatus Hideo Mukai, Masaaki Hanebuchi 2012-08-07
8200360 Machining parameter optimizing apparatus, method for optimizing machining parameter and program therefor Toshiyuki Okita, Yoshimasa Kuwano 2012-06-12
8082895 Variable valve system for internal combustion engine and its driving mechanism Akinobu Maeyama 2011-12-27
8006658 Variable valve actuation apparatus of internal combustion engine Makoto Nakamura, Noriomi Hosaka, Mikihiro Kajiura, Seiji Tsuruta, Seinosuke Hara 2011-08-30
7600496 Valve operating apparatus for internal combustion engine Makoto Nakamura, Mikihiro Kajiura, Seinosuke Hara 2009-10-13
7497192 Variable valve system with control shaft actuating mechanism Mikihiro Kajiura, Shigeru Kawakami 2009-03-03
7484485 Variable-valve-actuation apparatus for internal combustion engine Makoto Nakamura 2009-02-03