YH

Yoichi Hirata

SG Seiko Group: 3 patents #13 of 90Top 15%
DJ Doryokuro Kakunenryo Kaihatsu Jigyodan: 2 patents #36 of 393Top 10%
Kyocera: 2 patents #1,365 of 3,732Top 40%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
Overall (All Time): #317,829 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
10932576 Massage chairs with locking mechanisms Clifton Lee Levin, Kiyoyuki Okuyama, Kazuhide Maeda, Masaki Kagano 2021-03-02
D897710 Massage chair Kiyoyuki Okuyama, Kazuhide Maeda, Meza Mendoza Issac Alejandro 2020-10-06
D891802 Massage chair Kiyoyuki Okuyama, Kazuhide Maeda, Meza Mendoza Issac Alejandro 2020-08-04
D887741 Massage chair Kiyoyuki Okuyama, Kazuhide Maeda, Meza Mendoza Issac Alejandro 2020-06-23
9866980 Measuring apparatus, measuring system and measuring method Tomohiro Inagaki 2018-01-09
9618385 Measuring apparatus, measuring system and measuring method Tomohiro Inagaki 2017-04-11
8862789 Communication control device Toru Hino, Takeshi Saeki, Kazuyuki Murakami, Mitsuru Kashihara, Hironori Nakano 2014-10-14
8816643 Rechargeable device and power feeding control method Takeshi Saeki, Takanori Yamamoto 2014-08-26
6487129 Semiconductor apparatus 2002-11-26
6377493 Semiconductor apparatus 2002-04-23
D455357 Watch case with band Yoko Ikegami, Kazuo Iwanaga 2002-04-09
D434673 Watch case 2000-12-05
D433638 Watch case with band Kunio Kaneko, Tetsuro Maruyama, Akihiro Hasegawa 2000-11-14
5767400 Hydraulic test system mounted with borehole television set for simultaneous observation in front and lateral directions Katsushi Nakano, Koichi Yanagisawa, Kazuyuki Goto, Masahiko Tamura, Shunichi Kamewada 1998-06-16
4986120 Low-water-pressure controlled hydrologic test method Koichi Yanagisawa 1991-01-22