1
Hiroyuki Ando, Toshio Tanabe, Shinji Ihara: Battery powered portable saw. Matsushita Electric Works, Stevens Davis Miller & Mosher, December 3, 1985: US04555849 (53 worldwide citation)

A portable electric circular saw which operates on a rechargeable battery is disclosed. The circular saw comprises a housing for accommodating a motor driving a circular saw blade operatively connected thereto, the rechargeable battery supplying electricity to the motor, and a handle projecting atop ...


2
Juzaemon Iwasaki, Shinji Ihara: Portable electric circular saw. Matsushita Electric Works, Stevens Davis Miller & Mosher, May 20, 1986: US04589208 (47 worldwide citation)

A portable electric circular saw with a tiltable base plate is disclosed herein. The circular saw comprises a housing for accommodating an electric motor, a circular saw blade operatively connected to the motor to be driven thereby, a safety guard connected to the housing for enclosing the portion o ...


3
Hiromi Kakumoto, Shinji Ihara, Yoji Iguchi, Makoto Miyata: Electric shaver. Matsushita Electric Works, Stevens Davis Miller & Mosher, January 24, 1984: US04426776 (11 worldwide citation)

An electric shaver with a trimmer is disclosed in which a single flexible seal is used to protect the motor and electric parts from water and other material entering through the perforated comb or the trimmer.


4
Hiromi Kakumoto, Shinji Ihara, Yoji Iguchi, Makoto Miyata: Electric shaver. Matsushita Electric Works, Stevens Davis Miller & Mosher, April 9, 1985: US04509259 (9 worldwide citation)

An electric shaver with a trimmer is disclosed in which a single flexible seal is used to protect the motor and electric parts from water and other material entering through the perforated comb or the trimmer.