MH

Masatoshi Hayakawa

SO Sony: 24 patents #1,623 of 25,231Top 7%
CK Ckd: 5 patents #43 of 332Top 15%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
Aisin Seiki Kabushiki Kaisha: 3 patents #1,084 of 3,782Top 30%
TC Toray Engineering Co.: 1 patents #46 of 169Top 30%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
📍 Yokohama, JP: #207 of 480 inventorsTop 45%
Overall (All Time): #85,529 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 1–25 of 38 patents

Patent #TitleCo-InventorsDate
12012349 Glass fine particle deposit and method for manufacturing glass preform Masumi Ito, Tatsuya Konishi 2024-06-18
11607871 Partition wall for formation of lipid bilayer membrane, and method for producing same Toshihisa Osaki, Koki Kamiya, Miharu Kaneko, Hideo Uehara, Katsufumi Araki +3 more 2023-03-21
11378737 Optical fiber preform, method for manufacturing optical fiber preform, and method for setting striae pitch of optical fiber preform Manabu Shiozaki 2022-07-05
10640015 Sliding device Kosuke TANIGUCHI 2020-05-05
9475722 Optical fiber producing method and apparatus and optical fiber Tadashi Enomoto, Iwao Okazaki, Takashi Yamazaki, Manabu Shiozaki, Norihiro Uenoyama +1 more 2016-10-25
9120694 Glass preform heating furnace Tadashi Enomoto, Iwao Okazaki, Takashi Yamazaki 2015-09-01
8410989 Antenna structure including radiating conductor and magnetic material having dielectric property Kiyotada Yokogi, Yoshimi Takahashi, Kenji Asakura, Shuichi Goto 2013-04-02
8006949 Seat slide device for vehicle Yasuhiro Kojima 2011-08-30
7669826 Seat sliding apparatus for vehicle Yasuhiro Kojima, Yukifumi Yamada 2010-03-02
7665791 Seat slide device for vehicle Yasuhiro Kojima 2010-02-23
5875081 Magnetic head Atsushi Suzuki, Toru Matsunaga, Takashi Tamura, Akira Urai 1999-02-23
5867887 Manufacturing method for magnetic head Seiji Kumagai, Yoshito Ikeda, Junichi Honda 1999-02-09
5852536 Magnetic head Tohru Matsunaga, Naoyuki Kaneyama, Takehiko Saito 1998-12-22
5737154 Rotary magnetic head apparatus with circuitry for driving head and circuitry for transmitting output signals in noncontact fashion disposed on rotary drums Seiji Kumagai, Hiroshi Morita, Norikatsu Fujisawa, Junichi Honda, Yuji Nakano 1998-04-07
5585983 Magnetic head Yasunari Sugiyama, Hiroyuki Ohmori, Kasuhiko Hayashi 1996-12-17
5515222 Magnetic head core arrangement having medium facing surface sides formed of single-crystal ferrite Seiji Kumagai, Junichi Honda, Yoshitomo Ito, Toru Matsunaga, Mineo Yorizumi +1 more 1996-05-07
5475551 Magnetic head Junichi Honda, Seiji Kumagai, Norikatsu Fujisawa, Masahiro Kikkawa, Miho Suzuki 1995-12-12
5365391 Magnetic reproducing head having a distributed-constant circuit type magnetic field detector Yasunari Sugiyama, Kiyoshi Kagawa, Hiroyuki Ohmori 1994-11-15
5331491 High-density magnetic recording and reproducing head Yasunari Sugiyama, Koichi Aso 1994-07-19
5266418 Magnetic recording medium Kazuhiko Hayashi, Akihiko Okabe, Koichi Aso 1993-11-30
5182690 Fe-N-based soft magnetic thin films and magnetic heads using such films Kenji Katori, Koichi Aso, Kazuhiko Hayashi, Kazuo Kajiwara 1993-01-26
5057380 Soft magnetic thin films of alloys of FeCoNi or FeCoDy and laminates comprising alternate layers of face centered cubic and body centered cubic crystal structure Kazuhiko Hayashi, Kenji Katori, Koichi Aso 1991-10-15
4953050 Magnetic head with Ru containing soft magnetic alloy in gap Tatsuo Kumura, Heikichi Sato, Yoshiyuki Kunito, Yoshito Ikeda, Etsuo Izu 1990-08-28
4796241 Device for producing a high frequency modulation magnetic field used in magneto-optical recording Takehiro Nagaki, Koichi Aso, Hiroshi Yamanoi 1989-01-03
4748000 Soft magnetic thin film Kazuhiko Hayashi, Yoshitaka Ochiai, Hideki Matsuda, Wataru Ishikawa, You Iwasaki +1 more 1988-05-31