JH

Junichi Hayakawa

KL Kenwood Limited: 5 patents #25 of 319Top 8%
EB Ebara: 4 patents #497 of 1,611Top 35%
VI Velbon International: 3 patents #3 of 6Top 50%
NC Nippon Paper Industries Co.: 2 patents #176 of 535Top 35%
Overall (All Time): #315,180 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
11698080 Sealing system Shigeru Yoshikawa 2023-07-11
11441571 Sealing system Shigeru Yoshikawa 2022-09-13
10435558 Block copolymer and resin composition Minoru Yada, Yuu Takata, Shunji Sekiguchi, Kazutaka Nakagawa 2019-10-08
8722576 Thermosensitive recording label Hiroshi Kohama, Akihito Ogino, Yasuaki Matsumori 2014-05-13
8197688 Hollow fiber membrane module Daichi Sakashita, Yoshihide Kaiya, Masazumi Oba, Kenichi Futami, Lianggang Chen +1 more 2012-06-12
7391976 Optical acoustoelectric transducer Okihiro Kobayashi, Nobuhiro Miyahara, Yutaka Hattori, Hiroshi Miyazawa 2008-06-24
7311174 Cloth for loudspeaker diaphragm, loudspeaker diaphragm, and loudspeaker Takaharu Ichiryu 2007-12-25
6863153 Loudspeaker diaphragm Masaya Kasai 2005-03-08
6374635 PFC gas recovery process and apparatus Tetsuo Komai, Yoichi Mori 2002-04-23
5818950 Speaker system and its support legs Yoshio Sakamoto, Syuuhei Ohta, Shirou Iwakura 1998-10-06
5582017 Cryopump Nobuharu Noji, Motoyasu Sato, Hiroshi Aono, Tetsuo Komai 1996-12-10
5197103 Low sound loudspeaker system 1993-03-23
D327083 Combined tripod leg and leg locks 1992-06-16
4940203 Leg pad and spike for tripod 1990-07-10
4932622 Locking device for tripod leg sections 1990-06-12